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VashaNatasha [74]
3 years ago
15

A spring has a spring constant of 120 newtons per meter. Calculate the elastic potential energy stored in the spring when it is

stretched 2.0 centimeters.
Physics
1 answer:
Black_prince [1.1K]3 years ago
7 0
The elastic potential of a spring can be calculated using the formula
E = (1/2) k x²
where are given that 
k = 120 N/m
the stretched length is
x = 0.02 m

The elastic potential is
E = (1/2) (120 N/m) (0.02 m)²
E = 0.024 N-m<span />
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What is the direction of friction if a ball is rolling on the ground?
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