Question

a body mass is moving with a velocity 5 metre per second its kinetic energy is 25joule. if it's


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Answer 1

Answer:

mass is 2kg

Explanation:

w k t

ke =1/2 mv2

25=1/2 m (5)2

m=2

therefore mass of the body is 2kg

Answer 2

Answer:

velocity = 5m/s

mass =? kg

we know that.... kinetic energy (E).=1/2 × mass × (velocity)²

• so.. E =1/2 mv²
• 25 = 1/2 × m × (5)²
• 25=1/2 × m × 25
• 25m = 50
• m = 2

so... body mass = 2kg.

Explanation:

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