subject
Physics, 20.10.2019 10:20 trenton16

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is
a. 0 degrees.
b. 40 degrees.
c. 90 degrees.
d. 80 degrees.

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 06:30, bluevibe
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
Answers: 2
image
Physics, 22.06.2019 08:30, zoe2252
What object a collides with object b and bounces back its final momentum is?
Answers: 1
image
Physics, 22.06.2019 12:00, SmokeyRN
In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c
Answers: 1
image
Physics, 22.06.2019 12:20, drewefielder6198
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2