Explain why dogs pant during hot summer days using the concept of evaporation?

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