The most serious effect of radiation on humans is

A. it causes us to melt

B. the damage it can cause to our DNA

C. there are no serious effects of radiation on humans

D. the damage it can cause to our ski

A singer demonstrated that she could shatter a crystal glass by singing a note with a wavelength of 0.320 meter in air at stp. what was the natural frequency of the glass?

An airplane flies with a velocity of 55.0 m/s [35o N of W] with respect to the air (this is known as air speed). If the velocity of the airplane according to an observer on the ground is 40.0 m/s [53o N of W], what was the wind velocity?

Would water be subject to pressure freezing?

Fossils of a shellfish was found high on the top of a mountain

Imagine two artifical satellites with equal masses orbiting earth. One satellite is orbiting closer to earth than the other satellite.

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.

1875 kg car is traveling at 22 m/s. It's momentum is?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices