An explosion that occurs at the end of a massive star's life is a (n) ?

An electric dipole consists of charges 2e and 2e separated by 0.88 nm It is in an electric field of strength 4.

If you were in a freely falling elevator and you dropped a pencil. it would hover in front of you. Is there a force of gravityacting on the pencil? Defend your answer.

According to the Heisenberg uncertainty principle, a) The position of a particle cannot be measured precisely b) The momentum of a particle cannot by measured precisely.

Explain this statement: Cells are the basic unit of structure and function in organisms.

When the motion of an object is shown by a straight line on a distance vs time graph with distance on the y - axis, the slope of the line is the?

The slope of the line on any speed vs time graph is equal to the objects?

True or False? a globular cluster is a group of older stars that are clustered together.

The doppler effect is the change in observed frequency due to

Which of the following is NOT a vector quantity? (A) Acceleration (B) Average velocity (C) Linear momentum (D) Potential energy (E) Force

Which of Newton's laws of motion is demonstrated by a hammer pounding a nail into a board