Scientist that supplied equations to combine wave and particle theory?

A block has a mass of 20g and measures 2cmx4cmx2cm will it sink or float

A crate is placed on an adjustable, incline board. the coefficient of static friction between the crate and the board is 0.29.

If an element with an atomic number of 51 and an atomic mass of 121, how many neutrons does it have?

Suppose a moving object has kinetic energy and then comes to rest. What describes the change in its kinetic energy? A. It would remain constant. B. It would double. C. It would decrease by half. D. It would become zero.

Does the air in a balloon have masd

Na+/k+-atpase is considered to be an electrogenic pump because

If the period of a wave is 0.05 s, then what is its frequency?

Which of the following descibes the refraction of a wave?

A 590-kg rocket is at rest on the launch pad. what upward thrust force is needed to accelerate the rocket uniformly to an upward speed of 28 m/s in 3.3 s?

Is work being done when a hiker puts on a bag