Suppose you dropped the ball from a height of 2 meters and then watched it until it came to rest. What do you think would happen to the ball between the second it was dropped and the moment it comes to rest?

A police officer finds 60 m of skid marks at the scene of a car crash. Assuming a uniform deceleration of 7.5 m/s to a stop, what was the velocity of the car when it started skidding?

Discuss the morion of a body thrown from a certain height

CaCO3 is a compound found in cement. Which of the following elements are in CaCO3? calcium carbon oxygen nitrogen copper

What are the different types of energy

What is the mass of a car that weighs 19,000 N on earth?

An object has a mass of 8.00 kg. What is the gravitational force on the object by the earth?

Which of the following best characterizes the free energy change ΔG for an endothermic reaction under physiological conditions? A. The sign of ΔG is positive B. The sign of ΔG is zero C. The sign of ΔG is negative D.

In a recent hockey game, one player (m=100kg) was moving at a velocity of 8 m/s when he ran into another player (m=300kg) who was at rest (v=0m/s). After the collision, the two players were stuck together (moving with the same velocity).

In a laser, electrical energy is changed to light energy, and a small amount of the energy is wasted as heat. Describe the total amount of the heat in the system (using the conservation of energy).

What is the name for a star and planets held together by gravity? A. solar system B. galaxy C. black hole D. supernova