a 3.0 kg block has a speed of 5.0 m/s at the bottom of a ramp. The angle the ramp makes with the ground is 24 degrees. If the block reaches a height of 0.60 m, determine the force of friction acting on the block.

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

The movement of electrons between atoms is called an

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f