As Luke rides his bike down a hill, potential energy is converted to kinetic energy. What is this an example of?

A. Law of universal gravitation

B. Theory of relativity

C. Theory of momentum

D. Law of conservation of energy

A cheetah runs with a constant speed of 8 m/s. How far has the cheetah gone after 25 seconds?

An object of the same mass has three different weights at different times. Which statement is possible? • The object gains matter and then loses it.

Certain meteorites have been examined and found to carry samples of which molecules?

What type of fuel is burned in a nuclear power plant? A. fossil fuels such as coal B. minerals like uranium C. nothing is burned; the plant runs on a chain reaction instead of burning

what is equal and opposite, according to Newton's third law? action change in acceleration reaction change in velocity

You have two pendulums with cords that are exactly the same length. one is on earth (with an acceleration due to gravity of 9.81 meters/second2) and the other one is on the moon (with an acceleration due to gravity of 1.63 meters/second2).

The magnetic field is 0.0 2M from the wire is 0.1 T what is the magnitude of the magnetic field 0.0 1M from the same wire

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10 exponent 5 N, (A) what id its speed 7.

What is matter in context clues

The metallic elements which all react in water are found in the: same group same period rare earth elements