You put in 222 j of work pushing a box up a ramp. if the ramp does 222 j of useful work, what is the efficiency of the ramp

Alarge truck is moving 22.0 m/s. if it’s momentum is 125,000 kg • m/s, what is the trucks mass

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?