A boy is pushing a 136-kg crate on a 34 degree ramp, how much force must he apply to keep it from sliding downhill and to keep it stationery?

You know your mass is 62kg but when you stand on a bathroom scale in an elevator it says your mass is 77kg what is the acceleration of the elevator

How long did it take until all the starting material was gone?

How to get more water pressure in shower?

Shelly rolls ball A in the positive x direction with a velocity of 7.5 meters/second. It hits stationary ball B and they undergo elastic collision. The two balls have different masses. Which of the following statements is true?

Which body structures comprise the central nevous system

The host says during the video that her interests during middle school were?

Two hockey pucks with mass 0.1 kg slide across the ice and collide. Before the collision, puck 1 is going 13 m/s to the east and puck 2 is going 18 m/s to the west. After the collision, puck 1 is going 18 m/s to the west.

A snake accelerates from 2 m/s to 10 m/s in 4 seconds. What is the snakes acceleration? m/s2

What is the difference between speed and velocity

If an astronaut moved away from the earth towards the moon, how would the gravitational forces between the earth and the astronaut change? How would the gravitational forces between the moon and the astronaut change?