Answer:
The voltage will be 0.0125V
Explanation:
See the picture attached
Plants appear green because they do not absorb the green wavelengths of light. What happens to those green light waves when they
2 answers:
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Answer:
The average velocity is 8 unit per sec
Explanation:
Given as :
The Distance x = 20 - 4t² unit
Change in time Δt = ( 2 - 0 ) s = 2 s
Let the velocity = V unit/s
∴ V =
Or, V = - 8t unit/s
Now velocity at t = 0
V1 = - 8 × 0 = 0 unit/s
And velocity at t = 2 sec
V2 = - 8 × 2 = - 16
So, Average velocity = =
= -8
Or, = 8 unit/sec
Hence The average velocity is 8 unit per sec Answer
The elastic potential energy in the spring is 1 J
Explanation:
The elastic potential energy stored in a spring is given by:
where
k is the spring constant
x is the stretching/compression of the spring with respect to the unstretched length
For the spring in this problem, we have:
k = 200 N/m is its spring constant
The spring is stretched by 5.0 cm first and then by an additional 5.0 cm, so the total stretching is
Therefore, the elastic potential energy in the spring is:
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