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A fighter plane is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.3 x105 Newton. In being launched from rest it moves through a distance of 87 meter and has a kinetic energy of 4.5 x 107 Joule at lift-off. Calculate the work done on the plane by the catapult?
Sound from the siren of an emergency vehicle has a frequency of 750.0 Hz and moves with a velocity of 343.0 m/s. What is the distance from one condensation to the next
The four tires of an automobile are inflated to a gauge pressure of 1.9 multiply.gif 105 Pa. Determine the weight of the automobile
At Canobie Lake Park NH the Starblaster Ride launches riders straight up into the air with a launch speed of 30 m/s, calculate the work done by the nonconservative forces
A car in stop-and-go traffic starts at rest, moves forward 19 in 8.0 , then comes to rest again. The velocity-versus-time plot for this car is given in the figure. What distance does the car cover in the first 4.0 seconds of it motion?
A disk-shaped merry-go-round of radius 3.02 m and mass 169 kg rotates freely with an angular speed of 0.692 rev/s. What is the final angular speed of the merry-go-round
Calculate the number of liters of water a human drinks in a lifetime, suppose a lifetime of 72 years and consumption of eight 8 ounce glasses of water a day
If the water in the river is flowing at 3.0 m/s, explain how long does it take the boat to make a round trip consisting of a 250 m displacement downstream followed by a 250 m displacement upstream?
Monochromatic light is incident on a diffraction grating and the first maximum is observed at an angle 5.2 degrees. At what angle is the 4th maximum seen
An aircraft weighing 819 N is accelerated at 11.7 m/s2 for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
n object is projected from the surface of the earth with a speed of 1.98×104 m/s. What is its speed when it is very far from the earth
A 73.1-kN car is traveling at 70.9 mph when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
In a 2.0- intense cycling race, a cyclist can loses 3.9 of water through perspiration. Estimate how much heat the cyclist loses in the process
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