What happens to the force between the objects if Mass 2 decreases? (increases, decreasesaffected)

Answers

Answer 1

Answer: The more separation two objects have, the more the force between them decreases. When mass 1 increases the force between the objects increases. If Mass 2 decreases, the force between the objects decreases.

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Which situation shows where potential energy and kinetic energy are balanced? A stopped bicycle A roller coaster car going uphill A car moving at a steady speed A runner slowing down

Answers

Potential energy or stored energy, and kinetic energy, the energy due to motion can be balanced in the process of converting kinetic energy to potential energy during an uphill motion

The correct option for, which situation shows potential energy and kinetic energy are balanced is option;

A roller coaster car going uphill

The reason the selected option is correct is as follows:

Potential energy is the energy that is due to the relative position of an item in relation to a ground or zero state. The formula for potential energy due to the elevation is given as follows;

Potential energy, P.E. = m·g·h

Kinetic energy is the energy that is due to motion. The kinetic energy of an item is given as follows;

Kinetic energy, K.E. = (1/2) × m × v²

The potential and kinetic energy of a body is balanced when we have;

P.E. = m·g·h = K.E. = (1/2)·m·v²

Which gives;

g·h = (1/2)·v²

Therefore, a point is reached as the an body moves up a heal, where the potential energy (the energy due to height of the object) and the kinetic energy (the energy due to current speed) of the object are equal

The correct situation which shows potential energy and kinetic energy are balanced is therefore; A roller coaster car going uphill

Learn more about potential and kinetic energy here:

brainly.com/question/18963960

Protons and electrons possess the same amount of charge, 1.6 × 10−19 C, but the charges have opposite signs. If a proton and an electron are positioned 4.9 × 10−11 m away from each other, what is the electrostatic force between them?A.
−9.6 × 10−8 N
B.
−6.0 × 10−7 N
C.
4.7 × 10−36 N
D.
2.9 × 10−17 N

Answers

Answer:

A:-9.6×10-8 N

Explanation:

is correct answer

an electron in a mercury atom changes from energy level b to a higher energy level when the atom absorbs a single photon with an energy of 3.06eV. Determine the energy of the photon, in joules.

Answers

Hi There! :)

An electron in a mercury atom changes from energy level b to a higher energy level when the atom absorbs a single photon with an energy of 3.06eV.Determine the energy of the photon, in joules.

kg=15000J

When a baseball player catches a baseball, the glove "gives" or moves backward. How does this movement affect the change in momentum of the baseball? The change in momentum increases because the impact time increases. The change in momentum decreases because the force decreases. The change in momentum stays the same because the ball still comes to a stop. The change in momentum depends on the initial speed of the ball and the time to stop.

Answers

Answer:

The change in momentum increases because the impact time increases.

Explanation:

The change in momentum of an object is also called impulse (J), and it is equal to

$J=F \Delta t$

where

F is the force applied to the object

$\Delta t$ is the time taken for the change in momentum of the object to occur (the impact time)

From the formula above, we can notice that:

- the larger the force, the larger the change in momentum

- the larger the impact time, the larger the change in momentum

In the example of the baseball caught by the glove, when the glove moves backward, the time taken for the ball to stop increases (due to the movement of the gloves). Looking at the formula, we see that this means that the impulse (the change in momentum) increases.

Answer:

The change in momentum stays the same because the ball still comes to a stop.

Explanation:

here we know that momentum is defined as the product of mass and velocity

so here we know that

$P = mv$

now we know that formula to find the change in momentum is given as

$\Delta P = mv_f - mv_i$

$\Delta P = m(v_f - v_i)$

now when player moves his hand backwards then in this case final speed of the ball is zero and initial speed is same

So here we can say that there is no change in the equation but only the the to stop the ball is increased.

So here change in momentum will remain the same

A hard material is easily scratched. True False

Answers

False. Hard material an only be scratched by a material of equal or greater hardness

Which of the following does not contribute to Wellness

Answers

The option that does not contribute to wellness are tendencies. Tendencies are just things that you are more likely to do, or behavior that you are more likely to show, and in no way does that affect your wellness. However, your habits, exercise, and diet do, because all of these things have an impact on both your body and mind, thus creating a wellness of the entire human being.

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