Using the example of the skateboarder on the half-pipe, explain how kinetic and potential energy relate to the mechanical energy at different positions.

What items can be classified as matter?

Katie Cool buys a fancy Jaguar car that can accelerate at the rate of 4.9 m/sec2. She decides to test the car by racing with another speedster, Steve Speedy. Both start from rest, but experienced Stan leaves the starting line 1.0 sec before Katie.

How do we see an object that isn't luminous?

20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What's the new volume of the gas? (Assume that there's no change in temperature.) A. 100 cubic inches B. 10 cubic inches C.

The primary (low-voltage) ignition system must be working correctly before any spark occurs from a coil. Which component is NOT in the primary ignition circuit?

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth