Question

the energy of a particle morning at 5 metre per second is 125 J what its mass​

Answer 1

Answer:

here is you answer//

energy is= 125 joule

velocity =5 m/s

kinectic energy =>1/2mv

=>1/2 mass x125

125 =1/2 mass x (5)

125 =mass 1/2x25

is your answer is 10 kg

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