if a 0.4 kg baseball at 25 m/s straight into the air, how high does the ball go? (use energy to find the answer) *

see

below

Explanation:

refractive index = speed of light in vacuum / speed of light in medium

light travels at a speed of 3.0 x 10^8 m/s in vacuum

refractive index = 3.0 x 10^8 / 2.0 x 10^8

refractive index = 1.5

hope this helps, please mark it

Displacement is a measure of the shortest distance between a starting point and an ending point in meters.

The displacement can be described as the change in the position of an object. The displacement can be described as the minimum length between the initial and the final point.

The displacement is the vector parameter that exhibits both distance and magnitude. Therefore, the measurement of the displacement of an object involves the direction.

Displacement can also be defined as the shortest distance between a starting point of an object and an ending point. Displacement can be measured as a straight line and the SI unit of the displacement is meters and the C.G.S. unit is centimeters.

Learn more about displacement, here:

brainly.com/question/14422259

#SPJ1

This question involves the concepts of Ohm's Law.

The change that will increase he current is "D. Replace the wire with one that is thinner"

According to Ohm's law the current is inversely proportional to resistance. Hence, the current can be increased by decreasing the resistance.

Let us analyze each scenario separately:

A. Replace the wire with one that is thicker: Increase in thickness of wire shall increase its resistance. Therefore, the increase in resistance will decrease the current.

B. Replace the existing battery with a smaller battery: Smaller battery will produce lesser charges. Hence, it will decrease the current.

C. Add an electric bell to the circuit: Adding electric bell will add resistance to the circuit. Hence, the resistance will increase and current will decrease.

D. Replace the wire with the one that is thinner: This will decrease the resistance of the wire and in turn increase the current through it.

Therefore, only option that will increase current is option D.

Learn more about Ohm's Law here:

https://brainly.com/question/14796314

#SPJ2

Answer:

Explanation:

Work done on the lever ( input energy ) = force applied x input distance

= 24 N x 2m = 48 J

Work done by the lever ( output energy ) = load x output distance

= 72 N x 0.5m = 36 J

efficiency = output energy / input energy

= 36 J  / 48 J

= 3 / 4 = .75

In percentage terms efficiency = 75 % .

The pressure system that brings cloudy and stormy weather is a low-pressure system.

Low pressure systems are characterized by an area of low atmospheric pressure, which causes air to rise and create clouds. As the air rises, it cools, and moisture condenses, forming clouds and rain. This cycle repeats itself until the low-pressure system passes.

Low-pressure systems bring cloudy and stormy weather as they move through an area, as the air is unstable, and the clouds and rain form more quickly. Low-pressure systems can cause more severe weather when they are accompanied by strong winds.

When winds are strong, the pressure difference between the low pressure system and surrounding areas is greater, and the winds can help to push the system along, causing the formation of thunderstorms, heavy rains, and strong winds.

Low-pressure systems often form when warm air from the tropics meets cold air from the poles. This causes a pressure difference and the formation of low-pressure systems. Low-pressure systems can also be caused by the flow of air along the Earth's surface, and by the heating of the Earth's surface.

In summary, a low-pressure system is an area of low atmospheric pressure, which brings cloudy and stormy weather as the air rises and moisture condenses. Low-pressure systems can also bring more severe weather when accompanied by strong winds.

Low-pressure systems often form when warm air from the tropics meets cold air from the poles, from the flow of air along the Earth's surface, or from the heating of the Earth's surface.

To know more about low-pressure systems refer here:

https://brainly.com/question/14154768#

#SPJ11

Answer:

When a liquid is heated, it eventually reaches a temperature at which the vapor pressure is large enough that bubbles form inside the body of the liquid. This temperature is called the boiling point. Once the liquid starts to boil, the temperature remains constant until all of the liquid has been converted to a gas.

Explanation:

Sort the light forms in increasing frequency from left to right. Radio waves, infrared, visible light, ultraviolet, X, and gamma rays are used to rank the items as being equal.

Sound is transmitted to a big audience through Am to FM radio broadcasting. Radio waves are used by radar, a detection technology, to gather information about things. Radio waves are used by Bluetooth enabling wireless communication to link devices.

For television and FM too Am radio broadcasts, handheld radios, mobile phones, directional antenna, wireless communications networks, and a variety of other communications applications, radio waves at different frequencies are employed. Most radio waves can readily travel through the atmosphere of Earth.

To know  more about radio waves visit:

https://brainly.com/question/13989450

#SPJ4

The magnitude of the force applied by the swimmer on the wall can be calculated by multiplying the mass of the swimmer by the acceleration produced by the swimmer.

When a swimmer pushes off the pool wall, they accelerate, and this acceleration is possible due to the force applied to the swimmer by the wall. This force is also applied in an opposite direction to the swimmer, which is known as the force of friction.

The friction is a force that opposes motion between two surfaces in contact. The force applied by the swimmer on the wall is equal and opposite to the force applied by the wall on the swimmer, as per Newton's third law of motion. Therefore, the magnitude of the force that the swimmer applies on the wall is equal to the magnitude of the force that the wall applies on the swimmer.

If the force applied on the swimmer by the wall is F, then the force applied by the swimmer on the wall is also F. The swimmer, being an object in motion, experiences the force of friction, which is equal to the force applied by the wall on the swimmer.

This force of friction is what causes the swimmer to slow down eventually until he/she comes to a stop.

The magnitude of the force that the swimmer applies on the wall is dependent on the mass of the swimmer and the acceleration produced. It can be calculated by using Newton's second law of motion, which states that force is equal to mass times acceleration (F=ma).

Learn more force :

https://brainly.com/question/1046166

#SPJ11

Our planet's land-filled northern half is tilted toward the Sun at aphelion. Land has a lower heat capacity than water because it warms up more quickly for a given amount of sunshine.

As a result, the northern hemisphere of our planet is more effectively warmed by sunlight. Normally, the June Solstice is followed by the aphelion by around two weeks of heat capacity. As was already mentioned, celestial bodies do not move in perfectly circular orbits. aphelion describes them. The heavenly bodies must therefore pass through a location of our planet, where they are both farthest from and closest to the sunshine.

The amount of heat capacity to produce a unit change in an object is known as the heat capacity or thermal capacity of a sunshine.

Learn  more about heat capacity here

https://brainly.com/question/28921175

#SPJ4

Explanation:

The mass of the object is 370N / (9.81N/kg) = 37.7kg.

Answer:

45.31 J

Explanation:

We are given that

Mass of baseball , m=0.145 kg

Initial velocity, u=0

Final velocity, v=25 m/s

We have to find the work done on the baseball to bring it from rest to 25 m/s

We know that

Work done = Change in kinetic energy

Work done, W=\(\frac{1}{2}m(v^2-u^2)\)

Using the formula

Work done, W\(=\frac{1}{2}(0.145)((25)^2-0)\)

Work done=\(\frac{1}{2}(0.145)(625)\)

Work done, W=45.31 J

Hence, the work done on the baseball to bring it from rest to 25 m/s

=45.31 J

Answer: B An action-reaction force pair

Explanation: Took the exam

The arrows in this photograph represent: An action-reaction force pair. Hence, option (B) is correct.

When two bodies interact, they exert an equal and opposite force on one another in accordance with Newton's third law of motion. Action-reaction forces are made up of these forces.

"When one body exerts a force on the other body, the first body experiences a force that is equal in magnitude in the opposite direction of the force which is exerted," according to Newton's third law of motion.

According to the above assertion, there are always two forces operating on the objects involved in an interaction. The forces are of identical magnitude, but the direction of the force acting on the first object is different from the direction acting on the second.

Learn more about force here:

https://brainly.com/question/13191643

#SPJ2

if our sun were twenty-four times as massive as it is, 4.4721Vο  times faster or slower should the earth move in order to remain in the same orbit.

Given m= 20 m

Vо = √GM/R

     =√20Vo

      =4.47214 Vo

Depending on how far away from the Sun a planet is, its orbital speed varies. A planet's gravitational attraction is stronger and it moves more quickly the closer it is to the Sun. If the Sun's mass doubled without pushing or pulling on the Earth, the Earth's orbit would change to an ellipse, bringing it out to our current radius but spending most of the time closer to the Sun. The farther it is from the Sun, the weaker the Sun's gravitational pull is, and the slower it moves in its orbit. When our orbit brings us closer to the sun, the tides would likely get considerably greater. The sun's gravity controls the orbital distance and speed.

Learn more about gravitational attraction here:

https://brainly.com/question/19822389

#SPJ4

Answer:

The correct option is;

C. 40 N

Explanation:

Given that the rock is on the ground, we have;

The weight of the rock, \(F_W\) = 40 N ↓

From Newton's third law of motion, we have that action and reaction are equal and opposite,

Therefore, given that the weight of the rock exerts a force of 40 N on the ground, and the rock is stable and stationery on the ground, then the ground is reacting to the weight of the rock with an equal force of 40 N, acting in opposite direction to the weight of the block to balance the weight of the rock and create equilibrium such that the net force acting on the rock is zero

∑F = \(F_W + F_R\) = 0

Where;

\(F_R\) = The reaction of the ground

We have;

\(F_W\) + \(F_R\)= 40 + \(F_R\)  = 0

\(F_R\) = 0 - 40 = -40

\(F_R\) = -40 N ↓

∴ \(F_R\) = 40 N ↑.

Answer:

C, 40N

Explanation:

Answer: \(5.64\ m/s^2\)

Explanation:

Given

mass of sled m=5 kg

Elevation \(\theta =45^{\circ}\)

\(\mu _k=0.185\) (coefficient of kinetic friction)

Friction will oppose the motion of the sled while sled weight sin component helps it to move down the incline

\(W\sin\theta-F_r=ma\\where\\W=weight(mg)\\F_r=Friction(\mu_kmg\cos\theta)\\a=acceleration\)

Substituting values

\(mg\sin \theta-\mu_kmgcos\theta=ma\\g\sin \theta-\mu_kg\cos \theta=a\\a=g(\sin 45^{\circ}-0.185\times \cos 45^{\circ})\\a=5.64\ m/s^2\)

The types of electromagnetic radiation in order of decreasing frequency will be D. ultraviolet > infrared > microwave > radio.

This is the radiation that travels in waves and possesses both an electric and magnetic field. Both natural and artificial sources contribute to it. The energy levels of electromagnetic radiation can range from low to high. It consists of x-rays, gamma rays, infrared light, visible light, ultraviolet light, radio waves, and microwaves.

When a charged particle, like an electron, changes its velocity—that is, when it is accelerated or decelerated—electromagnetic radiation is created. As a result, the charged particle loses the energy of the electromagnetic radiation that is thus created.

It should be noted that radio has highest wavelength and ultraviolet has lowest wavelength.

Learn more about radiation on:

https://brainly.com/question/24469662

#SPJ1

Lowering the third scale degree of a major scale changes its quality from major to minor.

The third scale degree of a major scale refers to the note that is a major third above the tonic (first note) of the scale. In other words, if you start on the first note of a major scale and count up three scale degrees, you will reach the third scale degree.

For example, let's consider the C major scale:

C - D - E - F - G - A - B - C

In this scale, the third scale degree is E because it is a major third above the tonic note, C.

In other major scales, the third scale degree will be a major third above the tonic note of that particular scale.

If we lower the E by one half step, it becomes E♭, changing the scale to C natural minor: C, D, E♭, F, G, A♭, B♭, C. In this case, the third scale degree (E♭) is now a minor third above the tonic (C), altering the overall quality of the scale to minor.

Lowering the third scale degree is a common alteration that can create a different mood or tonality in music, often associated with the minor key.

To know more about third scale degree of a major scale, visit

https://brainly.com/question/14848087

#SPJ11

Answer:

2nd bscause there is a reaction

The peak of the Earth's emission is 10 microns, while the sun's peak is 0.5 micron. Therefore, the correct answer is C. 10 microns.

Micron is a unit of measure equivalent to one millionth of a meter or one thousandth of a millimeter. Microns are usually used to measure very small things, such as dust, bacteria, or airborne particles. One micron is equal to 0.001 millimeter or 0.000001 meter.

Learn More About Microns at https://brainly.com/question/32072162

#SPJ11

Answer:

1. Solar wind: a stream of plasma.

2. Coronal mass ejection: includes prominences and solar flares.

3. Gamma ray photon: energy released during nuclear fusion.

Explanation:

1. Solar wind: a stream of plasma i.e charged particles such as ions, protons, alpha, and electrons that continuously escape at high speed from the Sun because of the very hot plasma contained in the solar corona.

2. Coronal mass ejection: includes prominences and solar flares that flow outward into interplanetary space. Thus, it's a release of solar wind plasma and magnetic field from the outer atmosphere or corona of the sun.

Additionally, a solar prominence is also known as filament and it can be defined as a large, bright, dense cloud of luminous ionized gas such as hydrogen, sodium calcium, etc., that erupts (extends) from the surface of the sun. It can linger in the corona for a very long time, reaching hundreds of thousands of kilometers into the sun's atmosphere (space).

3. Gamma ray photon: energy released during nuclear fusion of radioactive isotopes such as cobalt-60 or cesium-137. It has the shortest wavelength and highest energy in the electromagnetic radiation spectrum.

An electromagnetic spectrum refers to a range of frequency and wavelength that an electromagnetic wave is distributed or extends. The electromagnetic spectrum comprises of gamma rays, visible light, ultraviolet radiation, x-rays, radio waves, and infrared radiation.

Answer:

A) v₁ = 5.66 [m/s]

Explanation:

To solve this problem we must use the definition of linear momentum conservation, which tells us that momentum is conservation before and after a collision.

The linear momentum is equal to the mass by the product of the Velocity.

P = m*v

where:

P = lineal momentum [kg*m/s]

m = mass [kg]

v = velocity [m/s]

Now, to the right side of the equal sign will take the linear momentum before the collision and to the left side of the equal sign as after the collision.

Pbefore = Pafter

(m₁*v₁) - (m₂*v₂) = (m₁*v₃) + (m₂*v₄)

where:

m₁ = mass of the car = 1450 [kg]

v₁ = velocity of the car before the collision [m/s]

m₂ = mass of the shopping cart = 60 [kg]

v₂ = velocity of the shopping cart before the collision = -1.2 [m/s]

v₃ = velocity of the car after the collision = 5.13 [m/s]

v₄ = velocity of the shopping cart after the collision = 11.75 [m/s]

Now replacing:

(1450*v₁) - (60*1.2) = (1450*5.13) + (60*11.75)

1450*v₁ - 72 = 7438.5 + 705

1450*v₁  = 7438.5 + 705 + 72

1450*v₁ = 8215.5

v₁ = 5.66 [m/s]

Answer:

5.67 m/s

Just did it.

According to the question the force acting on the plane id 547,750 N.

Force is a fundamental concept in physics that describes the interaction between two objects. It is defined as an influence that changes the motion of an object, either by accelerating, decelerating, or changing the direction of a body. Forces can be either contact forces, such as friction or air resistance, or non-contact forces, such as gravity or magnetism. Forces can also be internal, such as chemical bonds, or external, such as the force of an object pushing against another. The SI unit for force is the newton (N). Forces can be used to cause motion or to prevent motion. In addition, forces can be used to change the shape or orientation of an object. Force is a vector quantity, meaning that it has both magnitude and direction.

The force acting on the plane can be calculated using Newton's second law:

Force = Mass x Acceleration

Force = 2.15 × 10³ kg x (255 m/s / s)

Force = 547,750 N

To learn more about force

https://brainly.com/question/12785175

#SPJ1

The resistance in the circuit of the flashlight is approximately 2.727 ohms.

Resistance is an electrical property of a material or component that opposes the flow of electrical current through it. It is measured in units of ohms (symbolized as Ω) and represents the ratio of voltage (V) to current (I) in a circuit.

To find the resistance (R) in the circuit, we can use Ohm's Law, which states that the voltage (V) across a circuit is equal to the current (I) multiplied by the resistance (R);

V = I x R

R = V / I

In this case, the voltage (V) is 3 V, and the current (I) is 1.1 A. Substituting these values into the equation above, we get;

R = 3 V / 1.1 A

R = 2.727 ohms

Therefore, the resistance is 2.727 ohms.

To know more about resistance here

https://brainly.com/question/11431009

#SPJ4

Answer:

16 m/s

Explanation:

First, find the displacement in the east direction.

x = (15 m/s sin 45°) (3600 s) + (18 m/s cos 5°) (3600 s)

x = 102,737 m

Next, find the displacement in the north direction.

y = (15 m/s cos 45°) (3600 s) + (18 m/s sin 5°) (3600 s)

y = 43,831 m

Find the magnitude of the displacement.

d = √(x² + y²)

d = √((102,737 m)² + (43,831 m)²)

d = 111,697 m

Finally, find the resultant velocity.

v = d / t

v = (111,697 m) / (7200 s)

v = 15.5 m/s

Rounded to the nearest whole number, the resultant velocity is 16 m/s.

Answer:

Their common velocity after collision is 3.6 m/s

Explanation:

Given;

mass of the first meatball, m₁ = 3.0 kg

initial velocity of the first meatball, u₁ = 6.0 m/s

mass of the second meatball, m₂ = 2.0 kg

initial velocity of the first meatball, u₂ = 0 m/s

let their common velocity after collision = v

Apply the principle of conservation of linear momentum for inelastic collision ;

m₁u₁ + m₂u₂ = v(m₁ + m₂)

(3 x 6) + (2 x 0) = v( 3 + 2)

18 = 5v

v = 18 / 5

v = 3.6 m/s

Therefore, their common velocity after collision is 3.6 m/s

Answer:

The formula for angular velocity is equal to angular rotation over time.

Let's refer to normal velocity and understand what that does.

Normal velocity is the change in position over time, which we would refer to it as the "speed". Measuring the speed shows how fast an object goes from point A to point B.

Angular velocity is the same case, where it's a measure of rotational speed.  It's the overall rate of change of an angle, and a measure of how fast an object rotates around a center point.

Answer:

its alot

Explanation:

Answer:

It will focus light at a specific location.

Explanation:

If two waves passing through the same medium have different wavelengths, the property that must be different is the frequency of the waves.

Wavelength refers to the distance between two consecutive points in a wave that are in phase, such as two crests or two troughs. It is commonly denoted by the Greek letter lambda (λ) and is measured in units of length, such as meters (m), centimeters (cm), or nanometers (nm).

Wavelength and frequency are inversely proportional to each other. According to the wave equation, the speed of a wave is equal to the product of its wavelength and frequency: speed = wavelength × frequency.

Since the medium remains the same, the speed of the waves is constant. Therefore, if the wavelengths are different, the frequencies of the waves must also be different in order to maintain a constant speed.

To learn more about wavelengths
https://brainly.com/question/16051869
#SPJ11