Which device is often used to activate a circuit?

A fuse

A conductive wire

A load device

A switch

A 20kg cannonball is fired into a stationary 500kg boulder at on the edge of a 125m high cliff. If the cannonball remains in the boulder and together they land 140m horizontally from the edge of the cliff, what was the initial speed of the boulder?

Which has a greater momentum? A 1200kg car traveling at 30m/s or a 2000kg truck traveling at 20m/s

A rectangular lot is 100 ft by 150 ft. determine the area of this lot in square meters.

1. What is the most direct type of heat transfer? radiation conduction

If a puddle of water is frozen, do the particles in the ice have kinetic energy? Explain.

The maximum power output of an engine is usually given in units called

Dimensional analysis worksheet Convert 3.42 g into kilograms

If you get into a completely filled buthtub and you weigh 100 lbs, how much water will overflow? why?

A commercial jet flies at 550mi/hr for 3000mi. For how much time does the jet fly?

If almost any system in stable equilibrium is slightly disturbed, it will then exhibit simple harmonic motion because 1. the change in potential energy is proportional to the cube of the displacement from the equilibrium position. 2.