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meriyhome

This page lists questions and answers that were posted by visitors named meriyhome.

Questions

The following questions were asked by visitors named meriyhome.

A car of mass 550 kg is moving at a speed of 1.5 m/s. A man pushes the car, increasing the speed to 3.2 m/s. How much work did the man do? A. 3435 J B. 2816 J C. 2197 J D. 4123 J
11 years ago
You use an inclined plane to move furniture into a truck. You perform 224 kJ of work, but only do 91 kJ of useful work. What is the efficiency of the inclined plane?
11 years ago

Answers

The following answers were posted by visitors named meriyhome.

it is Z > 9/20 @Aaron is right. don't swap direction unless multiplying or dividing by a negative value
11 years ago
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