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Jet fighter planes are launched from aircraft carriers with the aid of their own engines and a catapult. If in the process of being launched from rest, the thrust of a jet's engines is 2.50 x 105 Newton and after moving through a distance of 90 meter the plane lifts off with a kinetic energy of 5.40 x 107 Joule, determine the work done on the jet by the catapult?
a. calculate the rate of heat conduction through house walls that are 13.0cm thick and that have an average thermal
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the combination of two circular coaxial coils of radius a separated by a distance also equal to a with equal currents i
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 1.4 mT. determine the time it takes to complete one revolution
In a head on collision, a 4,000 kilogram truck going 10 m/s east strikes a 1,000 kilogram automobile going 20 m/s west. Find how much kinetic energy was lost in the collision
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.88 Ã- 10â€"14 J/m3
an electron is accelerated from rest through a potential difference 1200 v. give the electrons kinetic energy after
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Obtain the speeder speed with respect to the ground
A rocket weighs 2.45 x 105 Newton and can accelerate straight up at 2.00 m/s2. Determine what is the thrust force
A helium-neon laser of the type frequently found in physics laboratories has a beam power of 7.00 mW at a wavelength of 633 nm. Evaluate the force exerted on this sphere
How greatly time elapses before the compass hits the ground
An occupant of a car has a chance of surviving a crash if the deceleration all through the crash is not more than 30.00 g. Approximation the force on a 72 kg person decelerating at this rate.
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