How much kinetic energy is in a punch thrown at 30 m/s? The fist and arm weighs 6 lbs. (1 lb = 2.2 kg)

Which is true of electricity generated both from coal and from nuclear reactions? They both release radioactive waste. They both use solar energy. They both require mining. They both release greenhouse gases.

If you could give the box a push, what do you think would happen?

Technician A says that whenever a floor jack is used to raise a vehicle off the ground safety stands should be used to support the vehicle. Technician B says that the floor jack can support the vehicle safely as long as it is just for a short time.

If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?

An example of a single displacement reaction is

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.

A 2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

A stone is thrown vertically upward with a speed of 12m/s from the edge of a cliff 70 m high (a) How much later it reaches the bottom of the cliff? (b) What is its speed just before hitting? And (c) what total distance did it travel? (Ans: 5.

After completing a career search, Patrick has decided that he wants to be a paralegal. Which two skills or abilities are important for him to have in order to excel in this career?