BIG POINTS FOR THIS QUESTION: 2 balls are at the same height. If ball A is rolled off the edge of a table and ball B is dropped at the same time, which will hit the ground first, or will it be at the same time? Assume ball B is dropped when ball a starts falling.

Say the same scenario happens, but this time ball A is rolled off of a slope? How will this effect the results

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.

Decreased sensitivity to an unchanging stimulus is known as

The ph is the a. independent variable b. the dependent variable c. control group