A shell fired into the air explodes into two equal fragments. Which of the following is conserved.

a. Kinetic energy

b. potential energy

c. momentum

d. impulse

At t = 0 a car has a speed of 30 m/s. At t = 6 s, its speed is 14 m/s. What is its average acceleration during this time interval?

Which simple machine belongs to the inclined plane family

Why is igneous rock always younger than any rock it cuts through?

It takes Harry 40s to walk from x1 = - 12m to x2 = - 46m. What is his velocity?

All of the outer planets have what? (Moons and rings system, just rings systems, just moons, or humans)

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The power of a 1.5-volt alkaline cell varies with the number of hours of operation. A brand new D-cell can deliver as much as 13 A through a copper wire connected between terminals. Determine the power of a brand new D-cell.

You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the distance traveled by the tip of the minute hand exceed the distance traveled by the tip of the hour hand?