Concept explainers
For how much distance cart will roll.
Answer to Problem 84A
1.25 m.
Explanation of Solution
Given:
Mass of the cart,
Height of hill is
Frictional force,
Formula Used:
Potential energy of cart is given by,
Here, m is mass, g is acceleration due to gravity and h is height.
Acceleration due to gravity on earth is
Calculations:
Now, putting the value of m, g and h.
According to work energy theorem potential energy will be equal to work done by frictional force.
Conclusion:
Therefore, cart will roll by a distance of 1.25 m
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