Match each type of wave to the way it moves. transverse wave longitudinal wave electromagnetic wave back and forth at right angl
2 answers:
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Answer:
the choice of a glider to hanging mass is a ratio of 20.2
Explanation:
The Newton´s second law for glider is:
Fnet=Ma
T=Ma
The Newton´s second law for hanging mass is:
Fnet=ma
mag-T=ma
Replacing:
mag-Ma=ma (eq. 1)
Clearing a:
a=(mg)/(m+M)
The expression for motion is:
Clearing a:
Replacing values:
From eq. 1:
M/m=20.2
Answer:B
Explanation:
Given
speed of car
mass of clump
Radius of car tire
Since the tire is rotating about axle so a centripetal force is acting constantly on each particle towards the center of tire.
Centripetal force is given by
where
(inward)