How much time is spent in pushing the mower

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Reference no: EM134674

Question1

A man pushes a lawn mower on a level lawn with the force of 200N it 40 percent of this force is directed downward how much work is completed by the man in pushing the mower 6.0m.

It the man in the above question expended 60 W of power in pushing the mower 6.0m, how much time is spent in pushing the mower this distance?

Question2

A child's toy consists of a small wedge that has an acute angle of 28 degrees. The sloping side of the wedge is frictionless, and the wedge is spun at a constant speed by rotating a rod that is firmly attached to it at one end. The acceleration of gravity is 9.8 m/s^2. When the mass of 78g rises up the wedge a distance 82 cm and stays there, what is the speed of mass? Responded in units of m/s.

Reference no: EM134674

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