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A fighter jet is launched from the aircraft carrier with the aid of its own engines and a steam powered catapult. The thrust of its engines is 2.3E5N. In being launched from rest, it moves a distance of 87m and has a kinetic energy of 4.5E7J at lift-off. What is the work done on the jet by the catapult?
An unknown piece of material with a mass of 5.1 kg and density of 1422 kg/m3 is suspended from a string, Determine the volume of the piece of material
consider two point charges located on the x axis one charge -12.0 is located at -1.650 the second charge 31.0 is
The one-dimensional parity operator pi is defined by pi psi (x) = psi (-x) In other words, pi changes x into –x everywhere in the function. Is pi a Hermitian operator?
You've been walking at a steady, and rope pulls up on the sled at a 21 angle. You estimate that the mass of the sled, with your friend on it, is 64 and that you're pulling with a force of 84.0.
In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped int..
Why does the base of a shuttle cock always lead in motion when hit with a racket. what is grocery carts final speed.
Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. find the gauge pressure in the pipe on the top floor
A 240g air track glider is connected to a string hanging over a frictionless pulley. find the acceleration of the hanging mass
A proton has a charge of e= 1.6 x 10-19 C. Calculate the electic field produced by the proton 10 cm away. What is the magnitude of the electric potential at thesame position (10cm)?
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 80 MW and lasts 4.1 ns. what is the total energy of the pulse
A 0.5530-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. calculate the final temperature of the puddle
Two balls are released simultaneously from the top of a tall building. Ball A simply dropped with no initial velocity, and Ball B is thrown downward with and initial velocity of 12 m/s.
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