A 6.2 kg cannonball is fires from a 280 kg cannon. The cannon recoils with a velocity of 4.9 m/s. What is the velocity of the cannonball when it leaves the cannon?

If an object is transported from earth to he planet mars, which is following properties will change? a. mass b. weight c. volume d. density

What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m/s?

A power drill uses 13.73 amps of current and has a power rating of 1140 watts. What voltage does the drill require 7 amps 4.5 amps 7 ohms 4.5 ohms

Light always travels in a straight line

How does direct current differ from alternating current?

Applied force is the force of support exerted by an object that holds up another object. True False

Calculate the gravitational force on the washers using the formula F = ma where a = 10 m/s2 and m is the mass of the washers. Use the mass of the washers in kilograms. Record your calculations, to no more than three decimal places, in Table D.

Why does it take 10 times more energy to grow a kilogram of beef than a kilogram of wheat?

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is Nm. If the same force moves the same cart three times that distance, the work done is Nm. NextReset

1. Identify this mystery element: I am very reactive, I desperately want to get rid of my electron. When I make a compound with Chlorine it is table salt. Who am I? 2. Identify this mystery element. I am amazing and have no cares in the world.