a vehicle mast intone velocity 10 kilometre per hour after sometime is velocity becomes 90 metre per second calculate the difference between the initial and final kinetic energy
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4046.141 ×M
Explanation:
10 kmph = 25/9 mps
KE' = ½MV²(final)- ½MV²(initial)
= ½M [90² - (25/9)²]
= ½M [8100 - 625/81]
= ½ M [656100-625]/81
=½M [655475]/81
= M × 4046.141
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