If an object weighs 80 Newtons, what force must be applied to the rope to raise the object when the mechanical advantage is four?

Which formula would you use to solve this problem?

Planet A has twice the mass of Planet B. From this information, what can we conclude about the acceleration due to gravity at the surface of Planet A compared to that at the surface of Planet B?

What type of plate boundary exists today along the himalayas?

How many 200 ml cups can be filled with 6 1.5 litre bottles

A material that release energy when it burn

A ball is dropped out of a window and falls for 8.75 s. What is the ball's final velocity?

If a chromosome on unfolds itself how is transcription enhanced

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

What process is used when the sun transfers light to plants A. conduction B. radiation C. convection D. all of these

Which wave characteristic has the unit hertz

A stretched spring has 5184 J of elastic potential energy and a spring constant of 16,200 N/m. What is the displacement of the spring?