A box of mass 3kg is lifted onto a shelf. Calculate the change on its gravitational potential energy. The gravitational field strength is 10N/kg.

Compare the way light passes through convex and concave lenses.

If you speed up from rest to 12m/s in 3 seconds, what is your acceleration? a.) 4m b.) 4m/s/s c.) 36m d.) 36m/s

Matt is driving down 7th street. He drives 150 meters in 18 seconds. Assuming he does not speed up or slow down, what is his speed?

The wavelength of a wave is 2 meters. The frequency of the wave is 2 Hz. What is the speed of the wave?

What is the law of inertia for rotating systems in terms of angular momentum?

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?

4. A car of mass 2000 kg is traveling at 45 m/s when the driver spots a policeman anead. i ne univer apprivo the brakes lightly for 3.0 seconds until he slows down below the speed limit. If the average force applied by the brakes was 1.

When does a scientist create the conclusion?