An aircraft with the mass of 3kg is flying at an altitude of 2000m with a speed of 100m/s
what is the kinetic energy of the aircraft
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Ответ:
Explanation:
K.E is 1/2 mv^2
Therefore KE is 300000×10000×1/2
=1500000000J
= 1500000KJ
Potential energy is mgh
Therefore PE is 300000×9.8×2000
=5,880,000,000J
=5880000KJ
Ответ:
1.5*10^9 joules.
Explanation:
Kinetic energy = ½ mv².
K.E= ½ *300000*(100)².
K.E= 150000 * 10000.
K.E= 1500000000 joules.
Ответ:
i would say D. A satellite orbiting the Earth.
hope this helps :)
Explanation: