abaker2572 abaker2572

Today at 1:48 PM
Biology

Answered

2. If a ball has kinetic energy of 2000 Joules and a speed of 5m/s, what is its mass?

Answer :

wbver24 wbver24

Today at 1:53 PM

Answer:

m = 160 kg

Explanation:

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unicornetfairies unicornetfairies

Today at 1:53 PM

KE = 0.5mv^2

2000J = 0.5xm x 5^2

2000J = 0.5 x 25 x m

2000J = 12.5 m

÷12.5

160 = m

Mass is 160kg

Hope this helps!

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