The student drops one cannonball, and exactly 1.0 s later drops the other cannonball from the same height. What is the time interval between the first cannonball striking the ground and the second cannonball striking the ground?

Leah is moving in a spaceship at a constant velocity away from a group of stars. Which one of the following statements indicates a method by which she can determine her absolute velocity through space? A) She can measure her increases in mass.

What happens when a star becomes a supernova

A current in a wire increases from 2 A to 6 A. How will the magnetic field 0.01 m from the wire change?

At launch, a rocket ship weighs 4.5 million pounds. When it is launched from rest, it takes 8.00 ss to reach 155 km/h; at the end of the first 1.00 min, its speed is 1550 km/h. a.

What type of galaxy has mostly old stars, without a lot of star formation?

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