Two carts with masses of 4.32 kg and 2.66 kg move toward each other on a frictionless track with speeds of 4.86 m/s and 3.93 m/s respectively. The carts stick together after colliding head-on. Find the final speed.

If one light bulb is removed from a parallel circuit with three bulbs, the brightness of the other bulbs will decrease.

Ma puteti ajuta sa rezolv la fizica o problema?

Determine the net force required to accelerate a 2160 kg ford expedition from 0 to 27 m/s (60 mph) in 10.0 seconds

Determine the period of a 1.7-m-long pendulum on the Moon, where the free-fall acceleration is 1.624 m/s2. Express your answer with the appropriate units.

After a great many contacts with the charged ball, how is any charge on the rod arranged (when the charged ball is far away) ? There is positive charge on end B and negative charge on end A. There is negative charge spread evenly on both ends.

Which statement is true about the atom? A: it contains positive electrons, uncharged protons and negative protons. B: it contains uncharged neutrons, positive electrons and negative protons.

Steel objects can become temporary magnets because they are mainly composed of which element?

How long does it takes the sun to rotate the earth?

Which explains how winds move?

Why is it important to develop alternative energy sources