In comparison to radio waves, visible light has:
A. wavelengths that are equal.
B. frequencies that are equal.
C. a speed that is faster.
D. wavelengths that are shorter.
E. wavelengths that are longer.

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?