Physics, 03.11.2020 08:30 hipeopleitsme121
Help I'm desperate and need help ASAP I will give brainliest to whoever gets it correct.
Select the best answer from the choices below. Standing waves are formed by:
a
A wave hitting the surface of an object and bouncing back
b
Light moving from one medium to another
c
Two or more identical waves moving in opposite directions
d
Waves moving around an obstacle
Answers: 1
Physics, 21.06.2019 20:20
Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
Answers: 1
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 06:40
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
Help I'm desperate and need help ASAP I will give brainliest to whoever gets it correct.
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