TRUE / FALSE.

Nuclear fusion is the process by which nuclear reactions between light elements form heavier ones, absorbing huge amounts of energy.

A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.135, and the mass of the sled, including the load, is 195.9kg. If the horse moves the sled at a constant speed of 1.

A jetliner can fly 7.5 hours on a full load of fuel. Without any wind it flies at a speed of 2.14 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.

You push forward on a car with a force of 150 N, but the car does not move. What is the net force on the car?

A free falling object experiences a unbalanced force true or false

What statement is NOT true about fossils? a. Fossils give us clues about past climate b. Fossils give us clues about the ground they are formed in c. Fossils give us clues about surface changes d.

Does the air exert a buoyant force on all objects in air or only on objects such as balloons that are very light for their size?

At what temperature (in K) will 1.0 mol of gas occupy 1.0 m3 at a pressure of 1.0 * 10^4 pa

Which best compares freezing and condensation? a. Both involve changes between liquids and gases. b. Both involve changes between gases and solids. c. Both involve the release of heat. d. Both involve the absorption of heat.

The forklift exerts a 1500 N force on the box and moves it 3 M forward to the stack how much work does the forklift do

In which situation would a space probe most likely experience centripetal acceleration?