If the speed of an object decreases to one-half, what happens to its momentum?

a. It decreases to one fourth.

b. It doubles.

c. It remains the same.

d. It decreases to one half.

Two glasses of water have the same thermal energy. must they have the same temperature? explain.

The chemical formula of glucose is C6H1206, so it is classified as a (n) A) element. mixture. E solution. D) pure substance.

What is the advantage of delivering electricity to homes through high voltage lines? The amount of power available is significantly greater. The same amount of power is delivered as with moderate voltage without losing energy as heat.

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

As a recreational boat operator, what actions must you take when in a narrow channel?

A proton and an alpha particle are momentarily at rest at a distance r from each other. They then begin to move apart. Find the speed of the proton by the time the distance between the proton and the alpha particle doubles.

Why is it a good idea to extend your bare hand forward when you are getting ready to catch a fast-moving baseball? a. So you can catch the ball with a stiff arm, increasing the time to slow the ball thus deceasing the force. b.

At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm that is needed to cause a 2.75 a current to flow?

A conductor has a net charge of + 24 uC. How many electrons are needed to make this conductor neutral

What does Force Means