How many times does 30.48 go into 106, 650?

At the top of the hill, the ball has 100 J of potential energy. Explain what happens to Mechanical Energy, Kinetic Energy and Potential Energy as the ball rolls down and reaches the bottom.

An element has 50 protons nd 90 neutrons. will the nucleus breakdown? why or why not?

What is the velocity (in m/s) of a 550 kg roller coaster cart at the bottom of the track if it started with 990,000 J of gravitational potential energy at the top of the track? Assume a frictionless surface.

A girl walks East at 2.7 m/s. What is the y component of her velocity?

The tires on your truck have 0.35 m radius. In a straight line, you drive 2600 m. What is the angular displacement of the tire, during this trip? Would the angular displacement be more or less if you put on big mud tires with a radius of.

A car starting from a standstill accelerates at a rate of 4 meters per second squared. how far, in kilometers, will the car travel in 20 seconds A. 0.8km B. 800km C. 40km D. 1,600km

A small mass m on a string is rotating without friction in a circle. The string is shortened by pulling it through the axis of rotation without any external torque. What happens to the angular velocity of the object? a. It decreases. b. It increases.

Which of the following instruments is used to measure air pressure? a. thermometer b. barometer c. anemometer d. hygrometer

The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time it takes the nerve impulse to travel to your brain. (Assume that you are approximately 1.

Volume, mass, and weight can be measured with balances, scales, and?