What's the best place to watch videos for general physics?

You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum pushing force of 2,000 lb. What is the amount of work you must input in order to move the stone

A piece of metal is? A. made of atoms B. a solid C. a type of matter D. all of the above

The process of deposition causes The process of deposition causes

2. As the density of the medium increases, the speed of light A, increases B. decreases C. remains the same

Block 1 of mass m1 slides along a frictionless floor and into a one-dimensional elastic collision with stationary block 2 of mass m2 = 3.0m1. Prior to the collision, the center of mass of the two-block system had a speed of 5.0 m/s.

Why do you think that some asteroids tumble end over end through space while other asteroids rotate around their axis?

What are five features that erosion forms along a river?

If an object of mass 6 kg has an acceleratoon of 9 m/s2, what is the unbalanced force acting on it?

What is the fastest a car can go?

Which of the following best describes work being done by someone's arms? a. a child building a sand castle b. a mother holding a baby c. a boy pushing on a tree d. a traveler carrying luggage