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If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.4 multiplied by 105 kg and reached a speed of 11.2 km/s, how much kinetic energy would it then have?
A proton moves through a magnetic field at 25.5% of the speed of light. find the magnitude of the magnetic force acting on the proton
The plates of a 631-pF parallel plate capacitor are separated by 1.21 mm, what is the magnitude of the electric field in the capacitor
a 5.00 kg object is released from rest while fully submerged in a liquid. the liquid displaced by the submerged object
you are driving home from school steadily at 95 rm kmh for 150 rm km. it then begins to rain and you slow to 50 rm kmh.
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. The furnace fan can move 225 ft3 of air per minute. If the air enters the furnace at 60.0°F, determine the temperature of the outlet air.
a 1.0m length of straight wire carries a current of 21 a in a uniform magnetic field of 60 mt whose direction is at an
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 210 mi/h in 3.00 s. Find the average acceleration of the plane
If the staircase is 25-m high and a 90-kg man runs up the staircase in 35s, how much power does he use? And what is his horse power rating
A box weighing 300N is shoved across the floor of an apartment by a force of 400 N exerted downward at an angle of 35.2° below the horizontal. If the coefficient of kinetic friction between the box and the floor is 0.540, how long does it take to mov..
At a ball game, consider a baseball of mass m = 1.07 kg that falls directly downward at a speed v = 50 m/s into the hands of a fan. what is the average force of the ball on the catcher's hand
It was a dark and storym night, when suddenly you saw a flashof lightning Three-and-a-half seconds later you heard the thunder. Given that the speed of sound in air is about 340 m/s, how far away was the lightning bolt?
you toss a protein bar to your hiking companion located 8.6 m up a 39 degree slope.a. determine the initial velocity so
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