2) A van has a mass of 3000-kg and a car has a mass of 1500-kg. If both are travelling at the same speed, how would you compare their kinetic energy?
Show your solution mga idol
Show your solution mga idol
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Answer:
m=3000 kg v=9.8 m/s
KE = mv²/2
KE = (3000kg)(9.8m/s)² / 2
KE = (3000kg)(96.04m²/s²) / 2
KE = 288,120 kg. m²/s² / 2
KE = 144,060 J
m = 1500kg v = 9.8m/s
KE = mv²/2
KE = (1500kg)(9.8m/s)²/2
KE = (1500kg)(96.04m²/s²)/2
KE = 144,060 kg. m²/s² / 2
KE = 72,030 J
Explanation:
DIFFERENCE
144,060
-072,030
= 72,030