If you double the mass of the block attached to a spring-block oscillator, what will happen to the frequency of the oscillation?

Given

mj = 65 kg

mc = 78 kg

voj = 5.75 m/s

after collision

vfj = vfc = 0 m/s

Procedure

The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

The velocity before the collision would be 4.8m/s

The electric bicycle is more energy saving than the ordinary bicycle.

We would have to look at the information that have been furnished in the table so as to accurately make the comparison that we are being required to make in the case of this problem.

We can see that there is less utilization of energy in the electric bicycle and more power is generated. This causes the rider to do less work and the electric bicycle would still cover the required distance in a shorter time than the ordinary bicycle.

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As per the given question, the swimmer will land 88.88m far downstream

Total distance covered = 1.8m/s

Length = 200m

The current of the river = 0.80 m/s

It is referred to downstream if a boar or swimmer moves in the same direction as the stream. When a boat's or a swimmer's speed is mentioned, it typically refers to the speed in still water.

Calculating the time taken to cross the river -

= Total length covered / total distance covered

= 200/ 1.8

= 111.1

Calculating the total drift of the swimmer -

= Total current of the river x time taken

= 0.80 x 111.1

= 88.88

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Given

A massive light hangs over the table in Jeremy's dining room. The light is supported by four strong chains which make an angle of 72° with the horizontal.

The force in each chain is F=36.4 N.

To find

The mass of the light in kg

Explanation

Let the mass of the light be m

The weight of the light acts downwards.

To balance thisi force the force on the string vertically upward is considered

In equillibrium

Conclusion

The mass of the light is 13.84 kg

The energy transferred by an appliance using mains electricity is 34500 Joule.

In physics, energy is the ability to perform work. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Additionally, there is heat and work, which is energy being transferred from one body to another. Energy is always assigned based on its nature once it has been transmitted.

Given that: charge of the particle: Q = 150 C.

Potential difference applied: V = 230 V.

Hence, the potential energy of the particle: E = QV

= 150 × 230 Joule

= 34500 Joule.

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The total pressure experienced by submerged object is 428000 Pa.

We need to know about the pressure to solve this problem. Pressure is a unit that describes how much force is applied to a surface area. It can be determined as

P = F / A

where P is pressure, F is force and A is area.

The pressure below the surface water can be defined as hydrostatic pressure. The hydrostatic pressure depends on the density of the fluid, gravitational acceleration, and depth. It can be determined as

P = Po + ρ . g . h

where P is total pressure, Po is the pressure above the fluid, ρ is the density of fluids, g is the gravitational acceleration (9.8 m/s²) and h is the depth from the surface.

From the question above, we know that

Po = 3 atm = 3.03 x 10⁵ Pa

h = 10 m

ρ water = 1000 kg/m³

Find the pressure

P = Po + ρ . g . h

P = 3.03 x 10⁵ + 1000 . 9.8 . 10

P = 3.03 x 10⁵ + 98000

P = 428000 Pa

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The net force in the tug of war which is shown in the picture provided will be 0N.

This is defined as the power exerted on a body and the unit of Force is referred to as Newton.

In the tug of war, the net force is gotten by summing up all the forces.

–190N + 10N –10N + 190N = 0N.

Therefore the net force is 0N.

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Answer:

B.   10 N

Explanation:

EGDE 2022

Answer: The motion of the object will remain the same

Explanation:

Answer:

yes

Explanation: Work is done when there is movement. Therefore it was work was being done.

A student ties a lead cube to an oval-shaped block to prevent it from floating and immerses it in water density as part of a study to identify the sort of wood it is composed of.

The term "density" (also known as "volumetric mass density" or "specific mass") refers to a substance's mass per unit of volume. Although the Latin letter D may also be used, the sign most frequently used for density is (the lower case Greek letter rho).

According to legend, Archimedes shouted "Eureka!" as he rushed through the Sicilian streets. ("I've discovered it!") He had figured out what density was. Everyone has spent a significant amount of time in water during their life. The second thing Archimedes noticed was that he felt lighter floating.

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Answer:

Scientists have studied eclipses since ancient times. Aristotle observed that the Earth's shadow has a circular shape as it moves across the moon. He posited that this must mean the Earth was round. Another Greek astronomer named Aristarchus used a lunar eclipse to estimate the distance of the Moon and Sun from Earth

Answer:

Total distance = 2πr

Total displacement = 0

Explanation:

To Calculate the magnitude of distance and displacement of a body moving in a complete circle, we must come to these facts that:

The distance = circumference of the circle which is equal to the product of 2 ,pi and radius r

That is

Circumference = 2πr

Since velocity is changing and not constant, it is a vector quantity. Likewise displacement is a vector quantity.

The total displacement will be equal to zero.

Therefore, total distance is equal to the circumference of a circle while total displacement is equal to zero.

The symbol “g” can be used to refer to the acceleration due to gravity. “g” can also have another unit. N/kg, is the another unit used to represent "g".

The correct answer is option C.

The unit of "g" that is also used to represent another unit is option C, N/kg. In physics, the symbol "g" is commonly used to represent the acceleration due to gravity, which is approximately 9.8 m/s² on the surface of the Earth. This means that every kilogram of mass experiences a force of 9.8 Newtons when subjected to Earth's gravitational field.

The unit N/kg represents the Newton per kilogram, which is the unit of gravitational field strength or gravitational acceleration. This unit describes the force experienced by a mass per unit mass. In other words, it represents the gravitational force acting on each kilogram of mass.

To understand this concept, let's consider the formula for gravitational force:

F = m * g

where F is the force, m is the mass, and g is the gravitational acceleration. In this equation, the unit of force is Newtons (N), and the unit of mass is kilograms (kg). Therefore, to have consistent units, the gravitational acceleration "g" must have the unit N/kg.

Option A, J/kg, represents the unit of energy per unit mass, which is the joule per kilogram. Option B, J/kg², represents the unit of energy per unit mass squared, which is not directly related to the gravitational acceleration. Option D, N/kg², represents the unit of force per unit mass squared, which is also not directly related to the gravitational acceleration.

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The magnitude of the force of the wall on the ladder at the point of contact is 248 N.

The wall is being leaned on by a ladder. The frictional force and the normal force of the floor on the ladder are both at work at the base of the ladder. Due to the wall, there is a normal force at the top of the ladder. The center of the ladder is experiencing the effects of gravity.

For equilibrium, there must be a horizontal force operating someplace on the ladder that calls for an opposite normal reaction force on the wall. Friction at the ladder's base is the force acting horizontally on the ladder.

Given:

Mass \((M) = 100 kg\)

Ladder length \((l)= 4.0 m\)

Mass of ladder \((m)= 25kg\)

Angle \(\theta=56^o\)

The equation for the co-planner force is,

\(mgcos56*2+Mgcos56*1-N_fsin56*4=0\)

\(N_f=248N\)

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Answer:

yes that is correct

Explanation:

Answer:

C. Mutation, genetic drift, selection, and gene flow

Explanation:

Mutation: Mutations are random changes in the DNA sequence of an organism's genes. They introduce genetic variations into populations, which can be inherited by future generations and contribute to evolutionary change.

Genetic drift: Genetic drift refers to the random fluctuations in allele frequencies within a population due to chance events. It can have a significant impact on small populations and can lead to the loss or fixation of certain alleles over time.

Selection: Natural selection is the process by which certain heritable traits become more or less common in a population based on their effect on survival and reproduction. Traits that provide advantages for survival and reproductive success are more likely to be passed on to future generations.

Gene flow: Gene flow refers to the movement of genes from one population to another through the migration of individuals. It introduces new genetic material into a population and can result in the exchange of genetic variations, influencing the overall genetic diversity of populations.

The tension in each cord would be

T1=92.24N

T2=46.12N

Solution

40N = mg

m = 4.08kg

Coupled System

∑F = Ma

F=ma, which stands for Newton's second law, states that a force acting on an object is equal to that object's mass times its acceleration (a). This implies that the force required to accelerate an item increases with its mass. Additionally, the acceleration of an item increases with increasing force.

T1 - Mg = Ma

T1 - 80 = (4.08 + 4.08)(1.5)

T1 = 92.24N

T1- T2-Mₐg=mₐ a

92.24-T2-40=4.08(15)

T2 = 46.12 N

T2- Mᵇ g = mᵇa

T2 - 40 = 4.08(1.5)

T2 = 46.12N

Therefore the tension in each cord would be

T1=92.24N

T2=46.12N

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net force 20

it's balanced because they are both of the same magnitude

Answer:

Gamma rays have the highest energies

Explanation:

please make my answer as brainelist

Answer:

There should be a certain age limit Idon't know

Explanation:

The position of the image is 35 cm from the concave mirror, the size of the image is approximately 1.944 cm, and the nature of the image is upright.

To determine the position, size, and nature of the image formed by a spherical mirror, we can use the mirror formula:

1/f = 1/v - 1/u

where:

f is the focal length of the mirror,

u is the object distance (distance of the object from the mirror),

v is the image distance (distance of the image from the mirror).

Given data:

f = -12 cm (negative sign indicates a concave mirror)

u = -36 cm (negative sign indicates that the object is located on the same side as the incident light)

h = 2 cm (height of the object)

Substituting the values into the mirror formula, we have:

1/-12 = 1/v - 1/-36

Simplifying the equation:

-1/12 = (36 - v)/36

-1/12 = (36 - v)/36

-1 = 36 - v

v = 36 - 1

v = 35 cm

The positive value for v indicates that the image is formed on the opposite side of the mirror from the object.

To find the size of the image, we can use the magnification formula:

magnification (m) = -v/u

Substituting the values:

m = -35/-36

m ≈ 0.972

Since the magnification is positive, it indicates an upright image.

The size of the image can be determined using the magnification formula:

m = image height (h')/object height (h)

0.972 = h'/2

h' ≈ 1.944 cm

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Answer:

Net force = 509.90 N

Explanation:

Given that,

Force exerted by wind is 500 N South on a sailboat.

The force exerted by water is 100 N on the sailboat.

Two forces are acting at an angle of 90 degrees. We can find the net force acting on the sailboat. Let it is F.

\(F=\sqrt{500^2+100^2} \\\\=509.90\ N\)

So, the net force on the sailboat is 509.90 N.

Answer:

Correct Answer: Option B

Explanation:

Explanation

P1/T1 = P2/T2

80/(273+47) = P1/(273+27) = 75Nm-2

Answer: 75.0 Nm^-2

Explanation:

P1/T1 = P2/T2 80/(273+47) = P1/(273+27) = 75Nm-2

Answer:

Explanation:

To find:-

Answer:-

We are here given that , the speed of a wave is 350m/s and has a frequency of 140Hz . We are interested in finding out the wavelength of the wavelength of the wave .

As we know that, wavelength, frequency and speed are related to each other as ,

\(\longrightarrow\boxed{ v = \lambda \nu} \\\)

where,

On substituting the respective values, we have;

\(\longrightarrow 350 m/s = \lambda \times 140Hz \\\)

\(\longrightarrow \lambda =\dfrac{350}{140} m \\\)

\(\longrightarrow \boxed{\boldsymbol \lambda = 2.5 \ m} \\\)

Hence the wavelength of the wave is 2.5 m .

Answer:

2.5meter

Explanation:

edge 2023

Answer:

LOL i don't even know

Explanation:

Answer:

action is backward and i guess reaction is sad

Free fall acceleration 9.8 m/s² means that when an object falls down due to gravity, its velocity increases by 9.8 m/s every second.

Free fall refers to the motion of an object due to the attractive force of the earth known as gravity only acting on the object.

When an object is experiencing free fall, the object experiences acceleration due to gravity which has a constant value of 9.8 m/s².

This constant varies at several points on the earth's surface. The farther away an object is from the earth's surface, the lower the value of the free fall acceleration or acceleration due to gravity will be.

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Answer:

Answer is D

Explanation:

By changing the direction of the current moving through the wire will change polarity of the magnet but it will not affect the strength of the magnet.

A low-luminosity star has a small and narrow ​habitable zone, whereas a high-luminosity star has a large and wide one.

The radiant power emitted by a light-emitting item over time is measured as luminosity, which is an absolute measure of radiated electromagnetic power (light).

The total quantity of electromagnetic energy released per unit of time by a star, galaxy, or other celestial object is referred to as luminosity in astronomy.

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Answer:

At the top of the hill.

Explanation:

As the roller coaster goes up the hill, kinetic energy (K.E) decreases, gravitational potential energy (G.P.E) increases .

As it reach the top of the hill, K.E becomes zero and G.P.E reaches maximum .

As it goes down the hill, K.E starts to increase and G.P.E decrease .

At the bottom of the hill, K.E reaches maximum and G.P.E becomes zero .

(Correct me it I am wrong)

At the top of the hill.

The following information should be considered:

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