As the width of an opening in a barrier increases, how will the amount of diffraction of the planar waves change as they pass through the opening?

A. It will increase.

B. It will decrease.

C. It will remain the same.

What was the change in internal energy (chemical energy plus thermal energy) of the person pulling the block?

Is bending iron nail physical property or chemical property?

In order for exercise to be effective, it must substantially increase heart rate. True False

Two billiard balls with the same mass m move in the direction of one another. Ball one travels in the positive x-direction with a speed of V1i, and ball two travels in the negative x-direction with a speed of V2i.

Which statement about the effects of medium on the speed of a mechanical wave is true?

A man runs at a velocity of 6.2 m/s for 11.5 minutes. When going up and increasingly steep hill, he slows down at a constant rate of 0.25 m/s^2 and comes to a stop. How far did he run?

Find the period and frequency of a green photon that had a wavelength of 525 nm

Match these items. 1 . involuntary muscle tissues that have fibers 2 . tendons muscle controlled by will 3 . cardiac muscle muscle not controlled by will 4 . voluntary muscle arm muscle 5 . biceps heart muscle

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?