Question

a car is moving with a speed of 15 km per hour and another identical car is moving with a speed of 30 kilometre power compare their kinetic energy​

Answer 1

Answer:

K. E. =1/2mv^2

(K.E)1=1/2m(15)^2=225m/2

(k.E.)2=1/2m(30)^2=900m/2

Therefore (k.E.)1/(k.E.)2=1/4 ans.

Answer 2

Answer:

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