A 1.75 kg stone falls from the top of a cliff and strikes the ground at a speed of 58.8 m/s. What is the height of the cliff?

What is a consequence of the second law of thermodynamics? - Activation energy from the environment is required for every energy transfer. - Energy cannot be created or destroyed but it can be transferred.

What planet has the lowest density in our solar system?

A teacher at my school: Mr. Zerr is on the moon and he has a certain mass. Will his mass change when he comes to Earth?

What happens to shapes that break the rules

When it is cloudy, many of the sun's rays never reach the Earth. What does this do to the temperature

Name the three strata of study within the study of kinesiology define each and provide examples

Which of the following describes the products of a chemical reaction? A. The original materials B. The chemicals on the right side of a chemical equation C. The chemicals on the left side of a chemical equation D. The substances that are changed

What does it mean when we say an atom has decayed?

The first excited state of a particular atom in a gas is 5.2 eV above the ground state. A moving electron collides with one of these atoms, and excites the atom to its first excited state.

How do your teeth work as a wedge?