Physics, 02.10.2021 22:00, isabelleecurtis
Select all of the statements that correctly describe mechanical waves.
A. They can change speed.
B. Microwaves are an example of them.
C. They can travel through air and water.
D. Ocean waves are an example of them.
E. They can travel through a complete vacuum.
F. They can travel faster than the speed of light.
Answers: 3
Physics, 21.06.2019 22:50, toddbecca9
Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]
Answers: 2
Physics, 22.06.2019 09:00, cameronbeaugh
Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
Answers: 1
Select all of the statements that correctly describe mechanical waves.
A. They can change speed.
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