Which device can change the voltage of an incoming current?

O

A. An electromagnet

O

B. A generator

O

c. A transformer

O

D. A motor

A train travels 95 kilometers in 4 hours, and 61 kilometers in 1 hour. What is its average speed?

What is weight vs mass

How much work is done when a 4.0-newton box is carried horizontally a distance of 2.0 meters at a constant velocity?

If the string is tied around your finger, when do you feel a stronger pull-when the rock is at the bottom of the swing or at the top?

You throw a ball horizontally from the top of a building, with a speed of 3 m/s. In this problem, you can neglect the force of air resistance. After 2 Seconds, what is the balls horizontal velocity? A. Impossible to tellB. Less than 3 m/sC. 3 m/sD.

The force supplied by a spring depends on what?

What happens after the Gulf Stream travels north? It cools and flows away from the pole, causing cooler climates farther south. It circles the poles, becoming ice. It crashes with incoming warm water.

A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

An example of objects the move in revolution

How many hops does a kangoroo do in 1 day