A stack of books is sitting on a table. What force is pulling downward on it

A bullet is fired at 660m/s and strikes a target 200.0 meters away. What is the time of the bullet's flight?

Another word for an amp-volt is a (n) a. ohm b. watt c. joule d. coulomb

Why are strokes and Alzheimer's disease serious conditions? Select all that apply. You can die from either one. Both conditions often result in severe memory loss. Both conditions are inherited. Both conditions kill brain cells.

What are the surfaces of the outer planets mostly made of

The force of gravity between two objects is directly proportional to which of the following? a. the masses of each object. b. the velocity of each object. c. the distance between the objects squared. d.

Block 1 and Block 2 have the same mass, m, and are released from the top of two inclined planes of the same height making 30 degree and 60 degree angles with the horizontal direction, respectively.

Water waves change direction when they encounter water of different depths and begin to move at different wave speeds. This is called A. reflection B. constructive interference C. the Doppler effect D. refraction

Along with an alpha particle what other product is produced in the alpha decay of americium-241

What does Newton's second law of motion say

Two sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00m-1, an angular frequency of ω=2.50s-1, and a period of 6.00 s, but one has a phase shift of an angle ϕ=π12rad.