Physics, asked by baltooannanya, 1 month ago

a body of mass 80kg is moving with speed of 20m/s . find the kinetic energy.​

Answers

Answered by sahasra00622
0

Answer:

Given , Mass of object, m=10 kg

Velocity of object, v=20ms

−1

Initial Kinetic energy, K

1

=

2

1

×10×20

2

=2000 J

Now, Final mass, m

2

=20 kg

Final Velocity, v

2

=10m/s

Final Kinetic energy, K

2

=

2

1

×20×10

2

=1000 J

Required Ratio =

K

2

K

1

=

1000

2000

=2:1

Answered by kakaniharibabu03hb11
1

Answer:

16000j.

Explanation:

Mass of the object = 80kg.

Velocity of the object = 20m/s.

Kinetic energy = ?

K.E = 1/2 × mv^2.

So,

K.E = 0.5×80×20×20.

= 16000 Kgm/s

= 16000j

I HOPE IT'S USEFUL.

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