problem solving: solve the problems given below using gresa method.
1.find the power of a man who pulls a box 6m with the force of 25n in 8 seconds.
2.a 65 kg man is lifted to 60 m by an elevator in 20 seconds. How much power is done by the elevator.
3.a machine produce 5400 jouleoff work in 12 seconds. how much power does the machine.
4.lito does 500 j of work to deliver the class project in 10 seconds while anna had 500 j of work in 20 seconds. who is more powerful when why?
1.find the power of a man who pulls a box 6m with the force of 25n in 8 seconds.
2.a 65 kg man is lifted to 60 m by an elevator in 20 seconds. How much power is done by the elevator.
3.a machine produce 5400 jouleoff work in 12 seconds. how much power does the machine.
4.lito does 500 j of work to deliver the class project in 10 seconds while anna had 500 j of work in 20 seconds. who is more powerful when why?
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Answer:
1.18.
4.
G=500J.10 second
R=power
E=P=W/T
S=500J DIVIDE10 SEC
A=50J
Explanation:
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