A baseball is thrown at an angle of 22◦ relative to the ground at a speed of 24.5 m/s. The ball is caught 42.5045 m from the thrower. The acceleration due to gravity is 9.81 m/s. How high is the tallest spot in the ball’s path? Answer in units of m.

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing