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Posted by **Priscilla** on Monday, January 4, 2010 at 4:22pm.

Given:

m = 1600 kg

V = 10 m/s

KE = 1/2 m v^2

KE = 1/2 (1600)(10)^2

KE = 80,000 J

Is this right?

- Physics -
**bobpursley**, Monday, January 4, 2010 at 4:24pmNo, not even close.

KEincrease=1/2 m (Vf^2-Vi^2)

= 1/2 1600 *(900-400)

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