A rock at rest falls off a tall cliff and hits the valley below after 3.5s. What is the rocks velocity as it hits the ground

Which changes would cause an increase in the resistance of a wire? Check all that apply. increasing its temperature decreasing its temperature using a longer wire using a shorter wire using a thicker wire using a thinner wire

A wave has a wavelength of 2 meters and a frequency of 1.5 Hz. What is its speed?

Forces are measured in Newtons (N). Why are forces considered to be vectors?

Object B is at rest when object A collides with it. The collision is one-dimensional and elastic. After the collision object B has half the velocity that object A had before the collision. Which object has the greater mass?

While the negatively charged rod is near the disk without touching it, a hand briefly touches the end of the post. Then the negatively charged rod is removed. What would happen to the vane?

If an astronomer claims to have discovered an object with a very eccentric orbit, what best describes the orbital trajectory of the object?

This gland lets your body use energy

Question: Suppose you see a crescent Moon; how much of the Moon's entire surface (the full globe of the Moon) is in daylight?

What is the maximum number of atoms that can be bonded in an ionic bond

You dribble a basketball while walking on a basketball court list the pairs of action reaction forces in this situation