Question

1. [ If the Kinetic Energy possessed by a man of 50 kg is 625 J, then the speed of man is a) 5 ms -1 b) 50 ms- c) 0.5 ms- d) 500 ms-1 1​

Answer 1

Answer:

c) 0.5 ms-

Explanation:

Mass-50kg

K.E-625 J

speed-?

Kimetic Energy=1/2mv²

• 625=1/2*50*v²
• 625=25v²
• v²=625/25=25
• v=√25=5 m/s

Answer 2

Explanation:

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