What is the force that holds a moving object in a circular path called? Is centripetal force right?

How is sound detected by the brain? A. electromagnetic waves B. Bones amplifying sound C. Vibrations D. Electrical impulses from the ear

Suppose your friend throws a baseball at an angle of LaTeX: 45^/circ45 ∘above the horizontal. If you are stationary relative to your friend, it will look like the ball follows a parabolic path when viewed from the side.

When charging an object by conduction, what happens to the charges in the object? A. Electrons move, giving the object a static charge. B. The object is forced to generate extra electrons because of the electric field. C.

What rock type would most likely be found in the location marked by the black rectangle in the diagram below?

What caused the slope to change around 1905 and 1906?

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.

What is the safest place to be amid the coronavirus?

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

You then decide to throw another disc to your friend in the tree for fun. If you throw the disc at a speed of 10 m/s and your friend catches it 5.0 m above you, what was the speed of the disc just before your friend catches it