Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. What force resto
2 answers:
Answer:
Elastic Force
Explanation:
As we pull the spring from one of its end by some distance such that its length is stretched by some amount "x"
So here the restoring force on the spring is given as
so here we know
k = coefficient of elasticity
x = change in the length of spring
So here the restoring force on the spring will be Elastic force which always act opposite to the direction of displacement of the spring
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Answer:
156.67 m/s
0.45676 times the speed of sound
Explanation:
Distance from the ground = 23.5 km = 23500 m
Time taken by the blast waves to reach the ground =
Spedd of the wave would be
The velocity of the blast wave is 156.67 m/s
v = Velocity of sound = 343 m/s
The blast wave is 0.45676 times the speed of sound
Answer:
Explanation:
The time period of geosynchronous satellite must be equal to T .
The radius of its orbit will be ( R+ h )
orbital velocity V₀ =
Time period T = 2π( R + h ) / V₀
= 2π( R + h ) x
= R +h
h = - R.