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18-03-2021
Physics

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The kinetic energy of a body moving at a speed of 10 m / s is equal to 1000 J. What is the body mass

Respuesta :

Ritmeks Ritmeks

23-03-2021

Answer:

20

Explanation:

Speed is 10 m/s

Kinetic energy is 1000joules

Mass is ?

Therefore the mass can be calculated as follows

K.E= 1/2mv^2

1000= 1/2 × m × 10^2

1000= 1/2 × m × 100

1000= 100m/2

2000= 100m

m= 2000/100

m= 20

Hence the mass is 20kg

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