What is the momentum of a cat mass of 4 kg that is running south with a speed of 1.5 m/s?

Why is there always some waste heat in a heat engine?

Tas watches as his uncle changes a flat tire on a car. His uncle raises the car using a machine called a jack. Each time his uncle pushes down on the jack handle, the car rises up.

An object moving at 31m/s takes 6s to come to a stop. What is the object's acceleration?

A wave travels at 3 m/s along a spring toy. If the wavelength is. 2 m, what is the waves frequency?

When creating any map, what four basic elements should you include?

What is the safest place to be amid the coronavirus?

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

You then decide to throw another disc to your friend in the tree for fun. If you throw the disc at a speed of 10 m/s and your friend catches it 5.0 m above you, what was the speed of the disc just before your friend catches it

Which is true? An ideal emf device has internal resistance and a real emf device does not. A real emf device sets up a potential difference and an ideal emf device does not.