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A jetliner has a gross weight of 250,000 kilogram on its takeoff roll it accelerates from rest to 50 m/s in a distance of 3000 meter. Suppose constant acceleration and no friction. (Hint: one part of this problem can't be solved with energy methods!)
Find the kinetic energy of the airliner after the takeoff roll?
Find the force of thrust of the aircraft's engines?
Find the time required to the acceleration to occur?
Find the power output of the aircraft's engine?
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A 2.00 kg hoop with a radius of 0.0750 m was placed at the top of a3.00 m long ramp. The top of the ramp was 0.800 m above the lower end of the ramp. The hoop rolled down the ramp. Compute the hoop’s speed at the bottom of the ramp.
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a 5000kg rocket takes off from the surface of the earth with an initial speed of 20m/s. determine the acceleration of the rocket
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An electron acquires 7.45 x 10^-16 Joule of kinetic energy when it is accelerated by an electric field from plate A to plate B. Find what is the potential difference between the plates
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An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
An anemometer for measuring wind speed consists of four metal cups, each of mass m = 140 g, mounted on the ends of four essentially massless rods of length R= 0.37 m. The rods are at right angles to each other and the structure rigidly rotates..
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