Which of the following examples describes an increase in potential energy?

a bicycle going down a hill

a basketball falling through a net

a roller coaster moving down the track

a paint can being carried up a ladder

What is the smallest gravity in solar system?

How much force is needed to accelerate an object of mass 90kg at a rate of 1.2 m/s2

In the circuit shown below, the battery voltage is 20 volts. What will be the reading of the ammeter shown in the circuit?

Which of the following statements is true in the case of a collision? OA. Increased impact time will increase the impact force. OB. Reduced impact velocity will increase the impact force. Ос. Reduced impact mass will increase the impact force.

Explain how information is transferred from one telephone to another one when both the telephones are mobile phones

1 A plane moving at 30m/s drops a load 200m down to the ground. How long did it take to hit the ground.

What causes lightining?

On an amusement park ride, riders stand inside a cylinder of radius 7.0 m. At first the cylinder rotates horizontally. Then after the cylinder has acquired sufficient speed, it tilts into a vertical plane, as shown in the diagram.

Largest group of rock forming mineral's are

What is the efficiency of a tractor that has a work output of 300j and a work input of 400j