What is the ionosphere

What is the KE of a bicycle with a mass of 14kg traveling at a velocity of 3 meters/sec?

An object is falling downward at a rate of 25 m/s. Two seconds later, what is its acceleration?

A disk rotates freely on a vertical axis with an angular velocity of 50 rpm. An identical disk rotates above it in the same direction about the same axis, but without touching the lower disk, at 20 rpm. The upper disk then drops onto the lower disk.

Which of the following refers to an attractive force between two objects due to their mass

The upper end of a 3.80-m-long steel wire is fastened to the ceiling, and a 54.0-kg object is suspended from the lower end of the wire. you observe that it takes a transverse pulse 0.0492 s to travel from the bottom to the top of the wire.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.