What is true of a mechanical wave? @3.2. P. B5 @1

A)

It must travel in a vacuum

B)

It must have a medium.

C)

It must travel in empty space.

D)

Both sound and light are examples

What is the centripetal force acting on a child if the centripetal acceleration is 3 m/s2 and the child's mass is 30 kg? 60 N 33 N 90N 10N

If you push down the plunger of a bicycle pump the vhamber's volume is decreased. When that happens pressure in the chamber increases and the air then rushes out the pump and into your flat tire. What gas law does this represent?

Reaction amounts Substance - Amount (reacted or formed) KClO3- - 10.0 g KCl - 7.5 g Al - 9.0 g Reaction 1 ___KClO3 (s) → ___KCl (s) + ___O2 (g) Reaction 2 ___Al (s) + ___O2 (g) → ___Al2O3 (s) The decomposition of potassium chlorate in reaction 1

The state of matter in which particles move most rapidly is

Which of these waves cannot travel in a vacuum? (1 - microwave (2 - light wave (3 - sound wave (4 - electromagnetic wave brainliest for correct!

Which paragraph shows the correct relationship between kinetic energy and speed?

At which position does the diver have the most gravitational potential energy

The visible light spectrum ranges between A. radar waves and X-rays. B. ultraviolet rays and gamma rays. C. infrared rays and ultraviolet rays. D. television waves and infrared rays.

Sarah added sugar to her iced tea, but it is not dissolving very quickly. Which can Sarah do to make the sugar dissolve faster? Add more sugar. Heat the tea. Add more ice.

Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials. True or False