Is momentum a vector or a scalar? Why

What is power? the magnitude of a force needed to move an object how much work can be done in a given time the distance over time that an object moves the energy needed to create work

Two stationary carts are tied together by a thread with a compressed spring held between them. When the thread is cut, the two carts move apart. After the spring is released, one cart m = 3.00 kg travels east with a velocity of 0.82 m/s.

A laser on the South American plate takes a certain amount of time to reach a satellite and bounce back to Earth. Five years later, the laser takes a little more time to reach the satellite and bounce back.

I'll give brainiest True or False: An example of an isometric movement would be lunges?

what of instead of other forms of energy we use sound energy to power every thing since sound is there every where

Listening to the radio, you can hear two stations at once. Describe this wave interaction

The volume of a gas is reduced when the temperature is decreased

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.