3. After being given clearance for departure, a Boeing 747 accelerates at a rate of 125 ft/sec. The 747 's wheels leave the ground after a
period of 40 seconds. What is the 747's velocity (V2) at takeoff?
V2 = 5,000 ft/sec

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answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

i think it's 35 meters