If the trough and crest of two waves line up and double the height of the wave, what is happening?

What is inertia? Specifically, what is inertia in relation the the gravity properties of astronautical planets.

What happens to the energy of the electron when it absorbs a photon? A. There is no change in the energy of the electron. B. The energy of the electron increases. C. The energy of the electron decreases. D.

Describe a device that transforms thermal energy into another useful form

What is the velocity of a wave with a frequency of 760Hz and a wavelength of 0.45m?

What happens to the kinetic energy when you change the mass?

Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

Explain and give an example of newtons 3rd law of motion

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.

F you are skateboarding and have to make a sharp turn to avoid a branch, in which direction are you accelerating?