What is the momentum of a 110 kg football player running north at a speed of 4 m/s?

D. 55 Kg mass moving at 1 m/s, is the correct answer.

The more mass the object has, the greater inertia is. It doesn't matter how fast the object is going because inertia is depended on mass.

The odd feature about Mathilde is that it had a different shape. It has all the features like Ida, Eros, and Gaspra. Thus, option D is correct.

Mathilde is a type of metal body present in the asteroid belt having an irregular shape. It is different from other asteroids because of its highly elongated and heavily cratered structure in space. It is estimated that the diameter of the Mathilde is around 50 kilometers.

Mathilde does not have any defined shape and the color is also very distinct. Due to its high carbon nature, it looks like dark black color. This type of asteroid is more prone to collisions.

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To bring an electron from infinity to the point where the electric potential is zero, an external force must work against the electric field created by the two-point charges q1 and q2. The work done by the external force is equal to the change in the electric potential energy of the electron. In summary, no external work is required.

The electric potential at infinity is defined as zero, so the initial electric potential energy of the electron is also zero. As the electron moves closer to the point where the electric potential is zero, the electric potential energy increases. At the point where the net electric field is zero, the electric potential energy of the electron is maximum.

Therefore, the work done by the external force is equal to the maximum electric potential energy of the electron at the point where the net electric field is zero. This work can be calculated using the equation:

Work = (electron charge) x (maximum electric potential)

Since the charge of an electron is -1.6 x 10^-19 C, and the maximum electric potential is equal to the electric potential at point P, which is zero, the work done by the external force to bring the electron from infinity to point P is zero.

In summary, no external work is required to bring an electron from infinity to the point at which the electric potential is zero, as the maximum electric potential energy of the electron at point P is zero.

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The equation F ≤ mg gives the vertical force he must apply to the pole. The magnitude of the force is 90.0 times the acceleration if the mass of the firemen is 90kg.

The given data is:

Mass of firemen = m

Acceleration = a

a.

There are two forces acting on the fireman. They are his weight (mg) acting downwards, and the force of friction (F) between the pole and the fireman acting upwards.

The fireman is sliding down the pole, and the force of friction must be less than the force of gravity acting toward the fireman or equal. Therefore, the equation giving the vertical force he must apply to the pole is,

F ≤ mg.

b.

If the fireman's mass is 90.0 kg and he accelerates at a rate of a.

The magnitude of his applied force can be calculated by:

a = F/m

To calculate the Forec, we can rearrange the equation as:

F = ma

F = (90.0 kg) x (a)

Therefore we can conclude that the magnitude of the force is 90.0 times the acceleration a.

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Answer:

none

Explanation:

~both of them show to the nearest metre.

~millimeter has (mm) unit eg 0.7mm

0.76cm is the correct answer

bcoz after Mili metre there is centi metre so option c is correct

\(\frak{\huge{Mark \: me \: brainliest}}\)

Answer:

\({ \tt{volume = \pi {r}^{2} h}}\)

a) The null and alternative hypotheses can be stated as follows:

H0: The mean body temperature of a healthy adult is 98.6 °F.

H1: The mean body temperature of a healthy adult is not 98.6 °F.

b) The appropriate significance level is given as 0.10, which corresponds to a 10% significance level.

c) To perform the hypothesis test, we can use the t-test since the population standard deviation is unknown. The test statistic can be calculated using the formula:

t = (sample mean - hypothesized mean) / (sample standard deviation / √n)

where the sample mean is 98.24 °F, the hypothesized mean is 98.6 °F, the sample standard deviation is 0.92 °F, and n is the sample size, which is 35 in this case.

Substituting these values into the formula, we get:

t = (98.24 - 98.6) / (0.92 / √35)

t = -0.36 / (0.92 / √35)

t = -0.36 / (0.92 / 5.92)

t ≈ -0.36 / 0.155

t ≈ -2.32 (rounded to two decimal places)

d) The test statistic is approximately -2.32.

e) To calculate the p-value, we need to determine the probability of obtaining a test statistic as extreme as -2.32 (in either tail) assuming the null hypothesis is true. Since we have a two-tailed test, we need to calculate the area under the t-distribution curve beyond -2.32 in the left tail and beyond 2.32 in the right tail.

Looking up the p-value corresponding to -2.32 (or the closest value) in the t-distribution table or using statistical software, we find that the p-value is approximately 0.0257.

Therefore, the p-value is approximately 0.0257 (rounded to four decimal places).

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The correct option is D, The process that was added to our theory of planet formation to explain the surprising extrasolar planets is migration.

A planet is a celestial body that orbits around a star, is spherical in shape due to its own gravity, and has cleared its orbit of other debris. The eight planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Planets are formed from the same gas and dust that surrounds a young star, called a protoplanetary disk. Over time, this material comes together due to gravitational attraction and forms into larger and larger bodies, eventually creating planets. Planets can have various features such as atmospheres, moons, and rings. They also have different characteristics such as size, composition, and temperature, which can affect their ability to support life.

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Answer:

Metals are elements that forms positive ions by losing one or more electrons in a chemical reaction

Explanation:

Answer:

Explanation:

The answer is b i just did it have a good day

A 485 kg sphere sits at 14.0 km due north of an 852 kg sphere. The force of gravity on the first sphere due to the second sphere is 1.41*\(10^{-13}\) N.

A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Given in the question a 485 kg sphere sits at 14.0 km due north of an 852 kg sphere,

F = Gm₁m₂/r²

Putting value of G = 6.6743 × 10-11 m³/ kg s²

we get force 1.41*\(10^{-13}\) N which is equal and opposite apply on both sphere.

A 485 kg sphere sits at 14.0 km due north of an 852 kg sphere. The force of gravity on the first sphere due to the second sphere is 1.41*\(10^{-13}\) N.

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The displacement amplitude for sound waves with a frequency of 1000 Hz and a pressure amplitude of 3.0×10^(-2) Pa in air is approximately 3.3332×10^(-6) m.

To determine the relationship between the displacement amplitude and pressure amplitude of sound waves, we can use the formula for sound intensity:

I = (1/2) * ρ * v * A^2

Where:

I is the sound intensity

ρ is the density of the medium (in this case, air)

v is the velocity of sound in the medium

A is the displacement amplitude

Given:

Frequency (f) = 1000 Hz

Displacement amplitude (A) = 1.2×10^(-8) m

Pressure amplitude (P) = 3.0×10^(-2) Pa

Velocity of sound (v) = 344 m/s

First, we need to find the density of air (ρ). The density of air at standard conditions is approximately 1.225 kg/m^3.

Next, we can rearrange the formula for sound intensity to solve for the displacement amplitude (A):

I = (1/2) * ρ * v * A^2

A^2 = (2 * I) / (ρ * v)

A = √((2 * 3.0×10^(-2)) / (1.225 * 344))

A ≈ 3.3332×10^(-6) m

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Answer:

3N to the right

Explanation:

Congress tasked NASA with searching for near-Earth objects because  they might impact Earth, as others have in the past which is therefore denoted as option A.

This is referred to as National Aeronautics and Space Administration and it is a U.S. government agency which is tasked with the responsibility of  having different types of researches and experiments on the various aspects of science and technology which is related to air and space.

Near earth objects on the other hand is referred to as an asteroid or comet which passes close to the Earth's orbit and they usually have a unique trajectory.

During plans to visit space, the Congress tasked NASA with searching for near-Earth objects so as to study them as they might impact Earth, as others have in the past.

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skin cancer and it cause to lost transportating process

Explanation:

advantage: Easy to design and build the circuit

disadvantage: if one component in a series circuit fails, then all the components in the circuit fail because the circuit has been broken.

hope it helps!

Answer:

soil

Explanation:

CORRECT

Answer:

soil

Explanation:

Hope this will help

Answer:

Explanation:

The quantity of energy transferred by a force when it is applied to a body and causes that body to move in the direction of the force work.

Part A) 21 The current falls whenever two transistors are linked in series because the overall resistance rises. However, if you link them in parallel, total resistance is reduced, which causes current to increase. Therefore, choice 1 is correct. In a series circuit, the current is continuous.

Part B) The right answer is that when two resistors are linked in series, less total current flows through the circuit than when they are connected in parallel.

What a resistor is. a passive electrical device that has two terminals and is employed in electrical circuits to limit or regulate the flow of current. A resistor's primary function is to lower the voltage and reduce current flow in a specific area of the circuit.

The amount of current flowing through the circuit is affected by any changes in a resistance value. The following are some circuit functions where resistors are used: the musical tone's pitch, and.

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The transfer of energy Q (microscopic work) from the surroundings into the block plus bullet system during the collision is equal to the rise in thermal energy of the system, which is 2313.375 J.

Collision is the physical contact of two or more objects. In physics, it is the act of two or more things coming into contact with each other. Collisions can be either elastic or inelastic, and can involve energy transfer or momentum transfer.

The kinetic energy of the bullet plus the block before the collision is equal to the kinetic energy of the bullet alone,
which is equal to \(0.5 \times 0.135 kg \times (150 m/s)^2 = 11.625 J.\)
The kinetic energy of the bullet plus the block after the collision is equal to the sum of the kinetic energies of the bullet and the block, which is equal to \(0.5 \times 0.135 kg \times (300 m/s)^2 + 0.5 \times 3.5 kg \times (300 m/s)^2 = 2325 J.\)

The rise in thermal energy of the bullet plus block as a result of the collision is equal to the difference between the kinetic energy of the system before and after the collision, which is 2325 J - 11.625 J = 2313.375 J.

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When the balloon hits the ground, the rubber envelope stretches, storing elastic potential energy; this elastic potential energy is transfigured to the gravitational potential. It is a correct answer.

What is potential energy?

Stored energy that depends upon the relative stand of different parts of a system is called potential energy. A spring has more potential energy when it is stretched.

What is gravitational potential?

A position is equal to the work per unit mass that would be needed to move an item to that position from a fixed reference position is called gravitational potential.

When the balloon hits the ground, the rubber envelope stretches, storing elastic potential energy; this elastic potential energy is transfigured to the gravitational potential. It is a correct answer.

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Explanation:

weight of the piano = mg

w = 99 x 10 =990 N

Acceleration = (change in speed)/(time)

Change in speed = (60-15) = 45 km/hr

Time for the change = 30 sec

Acceleration = 1.5 km/hr-sec

True, it is possible for a fault to have a north-south (N-S) strike and an eastward dip.

Faults can have various orientations and dips depending on the tectonic forces and geological conditions in a particular region. The strike refers to the direction of the fault line on the Earth's surface, while the dip indicates the angle at which the fault plane is inclined from the horizontal. Therefore, a fault can have any combination of strike and dip, including an N-S strike and an eastward dip.

Faults are geological fractures where movement has occurred, and their orientations can vary. A fault with a north-south (N-S) strike means it extends in that direction horizontally. The dip refers to the angle of the fault plane from the horizontal. So, it is possible for a fault to have an N-S strike and an eastward dip.

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Yes, ultraviolet light and irradiation can destroy riboflavin.

Riboflavin is a light-sensitive vitamin that can break down when exposed to light, particularly UV light. This is why milk and other products that are fortified with riboflavin are often packaged in opaque containers to protect the vitamin from light damage.

When ultraviolet (UV) radiation activates the vitamin B2 riboflavin, active oxygen is produced, which destroys cell membranes and stops the spread of pathogens like viruses, bacteria, and protozoa in all blood products.

However, some studies suggest that controlled exposure to UV light and riboflavin can be used to disinfect surfaces and water. In this process, called UV-C irradiation, the riboflavin helps to enhance the antimicrobial effects of the UV light.

Riboflavin can therefore be destroyed by radiation and UV light.

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A. The period of vibration is the time it takes for one complete oscillation to occur. It is the reciprocal of the frequency. The period of vibration can be calculated using the formula:

Period = 1/Frequency

Given that the frequency of vibration is 5.0Hz, the period of vibration is:

Period = 1/5.0 s

Period = 0.2 s

B. If the cart's mass is doubled while the spring constant remains unchanged, the frequency of vibration will not change. This is because frequency is dependent on the spring constant and the mass of the cart and not on the amplitude of the oscillation.

C. If the spring constant doubles while the cart's mass remains the same, the frequency of vibration will also double. This is because frequency is directly proportional to the square root of the spring constant. Therefore, doubling the spring constant would lead to an increase in the frequency of vibration by a factor of square root of 2.

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If the vector C = A - B, then circumstances is the length of C equal to the sum of the lengths of A and B, then correct circumstance is option (1) When A and B are parallel

The length of vector C is given by the magnitude of the difference between vectors A and B. That is,

|C| = |A - B|

Using the triangle inequality, we have

|A - B| ≤ |A| + |B|

Therefore, the length of C can only be equal to the sum of the lengths of A and B if and only if equality holds in the above inequality. This occurs if and only if A and B are collinear and have the same direction, i.e., A and B are parallel.

Therefore, the correct answer is option (1) When A and B are parallel.

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The amplitude is 6.0 cm, the wavelength is 100 cm, the frequency is 2.0 Hz, and the speed is 200 cm/s, the direction of propagation y = Asin(kx - ωt), the wave travels in the positive x-direction, maximum transverse speed of a particle in the string is 24.0π cm/s,  transverse displacement at x=3.5 cm when t=0.26s is 4.34 cm.

(a) The amplitude:
The amplitude of a transverse wave is the maximum displacement from its equilibrium position. In the given equation, y=6.0sin(0.020πx+4.0πt), the amplitude is the coefficient of the sine function. Therefore, the amplitude is 6.0 cm.
(b) The wavelength:
The wavelength is the distance between two consecutive points in the same phase of the wave. It can be determined from the wave equation's spatial part: 0.020πx. To find the wavelength, divide 2π by the coefficient of x (0.020π):
Wavelength = 2π / 0.020π = 100 cm
(c) The frequency:
Frequency is the number of cycles completed in one second. It can be determined from the wave equation's temporal part: 4.0πt. Divide 2π by the coefficient of t (4.0π):
Frequency = 4.0π / 2π = 2.0 Hz
(d) The speed:
The speed of a wave can be calculated using the formula: Speed = Wavelength × Frequency
Speed = 100 cm × 2.0 Hz = 200 cm/s
(e) The direction of propagation:
Since the wave equation is y = Asin(kx - ωt), the wave travels in the positive x-direction.
(f) The maximum transverse speed of a particle in the string:
The maximum transverse speed (Vmax) is given by the product of the amplitude (A), angular frequency (ω), and the sine of the phase (kx - ωt). In this case, ω = 4.0π, so:
Vmax = A × ω = 6.0 cm × 4.0π = 24.0π cm/s
(g) The transverse displacement at x=3.5 cm when t=0.26s:
Use the given wave equation and plug in the values for x and t:
y = 6.0sin(0.020π(3.5)+4.0π(0.26))
y ≈ 4.34 cm

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Answer:

the answer is b i think

Answer:Within an individual organism, the specific combination of alleles for a gene is known as the genotype of the organism, and (as mentioned above) the physical trait associated with that genotype is called the phenotype of the organism.

Explanation:

The phenotype is the trait those genes express. ... Looking at the possible offspring, each box (or possible offspring) has two copies of the dominant gene. This means there is a 100% chance of the offspring having brown eyes, or being BB. It's important to note here that each box represents a possible offspring.

When two rods made of substance x are rubbed with substance y, they become charged. This process is known as charging by rubbing or charging by friction. When one of the charged rods is free to move, it will be attracted to the other rod, and they will interact by exerting an electrostatic force on each other.

The interaction between the rods is due to the transfer of charged particles, or electrons, from one rod to the other during the rubbing process. As a result, one rod becomes positively charged while the other becomes negatively charged. Opposite charges attract, so the positively charged rod will be attracted to the negatively charged rod. This attraction is the electrostatic force between the two charged rods.

To summarize, when two rods made of substance x are rubbed with substance y and one of them is free to move, they will interact by attracting each other due to the electrostatic force between their opposite charges.

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An algorithm that calculates the time a train needs to arrive at a destination given speed and distance \(Time=\frac{Distance}{Speed}\).

The amount of the shift in approach per unit of time or the size of the displacement over time for an object can be used to describe speed, which would be a scalar quantity in everyday language and kinematics.

The maximum speed that can be maintained when a period grows closer to zero is the starting speed.

By dividing the object's distance traveled by the duration of the interval, the mean pace of the object for the given period is calculated. Speed and velocity are not always the same thing.

The algorithm to calculate the time required will be,

Let the distance covered by the train is D and the speed of the train be S.

Then, the time taken by the train will be,

T = D/S

Here, D is the distance and S is the speed.

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