Question

an object of mass 15 kg is moving
with a uniform velocity of 4m/8
What is the kinetic energy possessed
by the object .​

Answer 1

Answer:

Ek= mv²/2

Ek = 15 ×(4/8)²/2

15 ×(1/2)²/2

15 × 1/4/2

15 ×4 /2 ( resiprocal)

30 J

Answer 2

Explanation:

4m/8 means,

In 8 seconds, the object passes 4 metre

So, In 1 second, the object will pass =(4÷8)=0.5

So, the velocity is =0.5 m/s

Kinetic Energy =(mass×velocity)÷2

=(15×0.5)÷2

=3.75

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