Determine the amount of potential energy of a 5-newton book that is moved to three different shelves on a

bookcase. The height of each shelf is 1.0 meter, 1.5 meters, and 2.0 meters.

Carter pushes a bag full of basketball jerseys across the gym floor. The bag weighs 21 newtons. If he pushes the bag 9 meters in 3 seconds, how much power does he use?

Why does a straw look broken viewed in a glass of water?

Rainbow can appear at night, they are called Moonbow?

What substance is reduced in a lead storage battery?

Which one of the following types of electromagnetic wave travels through space the fastest? a.) infrared b.) radio waves c.) ultraviolet d.) microwaves e.) They all travel through space at the same speed.

Stable system where forces cancel eachother out

A 1000-kg car is traveling north at 20.0 m/s. A 1500-kg car is traveling north at 36.0 m/s. The 1500-kg collides with the rear of the 1000 - kg car and they lock together.

9. (True or False) During an early morning rain shower, Jim could see a rainbow to the north as the sun's rays in the east broke through the clouds, illuminating the landscape.

Is sugarcane renewable or nonrenwable and why

during a crash, an airbag inflates to stop a dummys forward motion. the dummy mass is 75 kg. if the net force is on the dummy is 825 N toward the rear of the car, what is the dumys deceleration