Question

at what speed a body of mass 1kg will have a kinetic energy of 1j​

Answer 1

We know that K.E = 1/2 m v2 We'll replace K

.i.e kinectic enerygy by 1 J and mass (m) by 1

kg (given in the question) 1 = 1/2 * 1 * v2 2 = v2

(take 2 to the other side) v = √2 v = 1.414 m/s

Answer 2

Answer:

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