Which is a compound machine? a broom a screwdriver a slide a pair of scissors

Calculate the speed of a 500.0 kilogram car that possesses 400,000 joules of kinetic energy.

Why does an archeogist carry out an excavation

True or false. - The strength of a magnet is concentrated at the ends of a magnet.

What sort of device is commonly used to separate the colors of light from white light? a prism? a lens? a telescope? or a rainbow ... ?

A 50. g pendulum swinging back and forth has a speed of 3.0 m/s at a height of 0.30 m. Determine the total mechanical energy of the pendulum. 370 J 220 J 0.22 J 0.37 J

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas