What is the kinetic energy of a 2,000 kg boat moving at 5 m/sec?

If you wanted to learn more about ancient scientific knowledge, whose life would you research?

you slide across home plate during baseball game. If you have a mass of 82 kg, and the coefficient of kinetic friction between you and the ground is 0.45, what is the force of friction acting on you?

During a collision with another car, the occupants of a minivan initially travelling at 4.0 m/s come to a complete stop in 0.5 s. What was the acceleration of the occupants of the minivan? a) 8.0 m/s2 b) - 8.0 m/s2 c) 2.0 m/s2 d) - 2.0 m/s2

An airplane, diving at an angle of 50.0° with the vertical, releases a projectile at an altitude of 554. m. The projectile hits the ground 8.00 s after being released.

Explain how Newton's cradle demonstrates the law of conservation of energy.

How long does it take a car to travel 450 km at 75 km/hr

A free-falling golf ball strikes the ground and exerts a force on it

What are the main activities involved in studying physics?

What is the energy that moves your arms and legs

A moving object can be in equilibrium. Explain.