Physics, 28.08.2019 05:50 deb2710

Which travels at the greatest speed?
a. sound through air
b. light through glass
c. sound through water
d. light through a vaccum.
i think it's between a. and d. but i'm not sure. me

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, IDespretlyneedhelp

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

Answers: 2

continue

Physics, 22.06.2019 07:50, brittneeyy

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

Answers: 3

continue

Physics, 22.06.2019 16:00, jayelijah0508

What is friction? how does it affect the motion of an object?

Answers: 1

continue

Physics, 22.06.2019 16:50, fsugg9168

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

Answers: 2

continue

You know the right answer?

Which travels at the greatest speed?
a. sound through air
b. light through glass
...