Asked by Megan
A gardener pushes a 17 kg lawnmower whose handle is tilted up 37∘
above horizontal. The lawnmower's coefficient of rolling friction is 0.18. How much power does the gardener have to supply to push the lawnmower at a constant speed of 1.5 m/s ? Assume his push is parallel to the handle.
I calculated it to be 56.3810 W, by calculating the Force of Friction and then multiplying that by the speed however Mastering Physics is not accepting it. Am I doing something wrong?
above horizontal. The lawnmower's coefficient of rolling friction is 0.18. How much power does the gardener have to supply to push the lawnmower at a constant speed of 1.5 m/s ? Assume his push is parallel to the handle.
I calculated it to be 56.3810 W, by calculating the Force of Friction and then multiplying that by the speed however Mastering Physics is not accepting it. Am I doing something wrong?
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