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A fighter plane is launched from aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.3 x 105 N. Being launched from rest it moved through a distance of 87 meter and has kinetic energy of 4.5 x 107 Joule at lift off.
Determine the work done on the jet by the catapult?
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.8 seconds, then what is the acceleration and what is the distance that the sled travels?
Calculate the the electrical repulsion that each bag exerts on the other. Imagine two 2.0{\rm g} bags of protons, one at the earth's north pole and the other at the south pole.
A 3.2 mass attached to a spring with a spring constant of 114 is oscillating in a vat of oil, which damps the oscillations. If the damping constant of the oil is 10kg/s, how long would it take the amplitude of the oscillations to decrease to 1.0% ..
A 4.00 L sample of a diatomic ideal gas with specific heat ratio 1.40, confined to a cylinder, is carried through a closed cycle. Find the temperature at the end of the cycle
A tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, it launches a second ball. I already found - At what time (after the first launch) are the two balls at the same height? = 2.8s What..
spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 5.53 Hz
Two small, identical spherical conductorscarry charges of 5.1 μC and 2.3 μC. They are separated by adistance of 52.0 cm. Calculate the magnitude of the electrostaticforce between these two spheres
A child sits in a wagon with a pile of 0.403 kg rocks. If she canthrow each rock with a speed of 11.7 m/s relative to the ground, how many rocks must she throw
a substance that is not an ideal gas has an equation of state given by pvsup2nbtsup2 where p is the pressure in
tsunamis are fast-moving waves often generated by underwater earthquakes. in the deep ocean their amplitude is barely
The man completely inhales and jumps into the deep end of a pool with a depth of 9 feet. Calculate the net acceleration of the man with his breath completely inhaled while totally submerged in the water
a puck with a mass of .113 kg is spun clockwise around a center. its original distance from the center of rotation is
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