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.

What is the displacement of a person that ran 15 minutes if he or she runs at an average velocity of 16 km/hr west

If you are color blind can you still see colors?

Express the following in scientific notation: 1. 6,000,000,000,000,000,000,000 2. 547,000 3. 3,507,000,000 4. 0.0004650

What are the three properties of a magnet?

Which of the following are equivalent unit? A. Newton and a joule/sec B. A watt and a newton

What is an example of total internal reflection at work?

Explaining how momentum can cause motion an astronaut on a space walk floats a little too far away from the space station. without air to push against, he cannot paddle back. however, the astronaut is holding a hammer.

A one-piece cylinder has a core section protruding from the larger drum and is free to rotate around its central axis. A rope wrapped around the drum of radius 1.39 m exerts a force of 3.34 N to the right on the cylinder.

In which of the following situations or places would you want to reduce the force of friction? More than one answer A. Skiing down a hill during a race. B. Walking down a steep hill. C. Sitting in the bed of a pickup truck while it turns a corner. D.

What are five examples that illustrate a machine or a person doing work on another?