if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decrease
1 answer:
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The elastic potential energy stored in a spring is given by:
where k is the spring constant, and x=0.5 is the compression of the spring. Re-arranging the formula and using E=5 J, we find the spring constant:
Answer:
Explanation:
The figure of the problem is included below as attachment. The equations of equilibrium are presented below:
The system of equations are:
The solution of the system is:
,
and
The shortest time to reach a speed of 80 km/h is:
