You cannot get more work out of any machine than what you put into it.

1) True

2) False

A rocket's mass decreases as it burns fuel. the equation of motion for a rocket in vertical flight can be obtained from newton's law and is

Your iclicker operates at a frequency of approximately 900 mhz (900x106 hz). what is the approximate wavelength of the em wave produced by your iclicker

Anthony and Sissy are participating in the "Roll-a-Rama" rollerskating dance championship. While 75.6 kg Anthony rollerskates backwards at 3.7 m/s, 59 kg Sissy jumps into his arms with a velocity of 5.4 m/s in the same direction.

What is life and how do we live it

If the kinetic energy possessed by a man of 50kg is 625J, the speed of man is

How does increasing an object's mass affect the object's weight if gravity does not change?

Match the term with the definition. Match Term Definition Atom A) a substance that cannot be broken down into a simpler substance Element B) a tiny piece of matter Particle C) a unique form of matter in which it can exist Phase D) the basic unit of

Does gravity increase or decrease with greater distance?

What is another name for a pure substance?

A hockey puck, mass of 0.115 kg, moving at 35 m/s strikes a ray thrown on the ice by a fan. The ray has a mass of 0.265 kg. The puck and the ray slide off together. Find their velocity.