Which of the following is an example of a gas liquid mixture?

a. air we breath

b. helium balloon

c. ice cube

d. Carbonated drink

if an object is thrown straight up with an initial velocity of 8m/s and takes 3 seconds to strike the ground, from what height was the object thrown?

E = mc2 means that a. electricity equals matter. b. energy balances matter. c. the speed of light is energy. d. matter can be converted into energy.

If the sun were replaced by a 1-solar-mass black hole, what would be the gravitational pull of the black-hole "sun" on earth?

What causes the earth's tectonic plates to move around?

Which of the following demonstrates a compression? a. plucking a guitar string b. pulling a wagon c. squeezing a sponge d. dropping an apple

All of the following involve waves of electromagnetic energy except A. watching videos on a computer screen B. radios receiving signals through air C. the rumble of thunder during a storm D. sunlight shining on a plant leaf

An unknown fluid has a specific gravity of 0.750. What is the volume of 22.5 kg of this fluid? A. 10 L B. 20 L C. 30 L D. 40 L

The IMA of a lever can be increased by decreasing the length between the applied effort and the pivot.

What is the end of the lightning bolt called before it strikes the earth?

A 3 μf capacitor is connected to a 6 v battery. what is the charge on each plate of the capacitor?