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Stuntman's Freefall, a ride at Six Flags Great Adventure in New Jersey, stands 39.6 m high. Neglecting the force of friction, evaluate the minimum power rating of the motor that raises the 1.20 x 10e5 kilogram ride from the ground to the top in 10 seconds at a constant velocity?
A loop of 25 turns of wire and radius 15 cm is placed perpendicular to a magnetic field of .4T. what is the average EMF produced across the soil
An empty metal box with a mass of 0.275 kilogram is moved along a conveyor belt at a constant speed of 1.34 m/s before sliding across a frictionless track. Find the momentum and kinetic energy of the box when it leaves the conveyor belt
A Carnot air conditioner takes energy from the thermal energy of a room at 70 degrees F and transfers it as heat to the outdoors,which is at 96 degrees F. For each joule of electric energyrequired to operate the air conditioner, how many joules arere..
A satellite with a mass of 750 kg is in orbit around the earth. It is initially located at the altitude (measured from the earth's surface) of 2.12 x 106 m. It is then moved into a new orbit, with an altitude of 4.25 x 10^6 m (again, measured from..
Initially, a swift-moving hawk is moving due west (in the -x direction) with a speed of 60 m/s; 5.0 s later it is moving due north (in the +y direction) with a speed of 25 m/s.
question a spacecraft moving away from earth emits a 4346 hz signal. a scientist on earth measures the signal to be
At what temperature is the root-mean-square speed of nitrogen molecules equal to the root-mean-square speed of hydrogen molecules at 15.0°C? (Hint: The molar mass of Hydrogen is 1.008g/mol and the molar mass of Nitrogen is 14.007 g/mol) of each eleme..
question1a 1.00-kg beaker containing 2.09 kg of oil density 916 kgm3 rests on a scale. a 1.99-kg block of iron is
A 2.70 uF capacitor is charged to 80 uC and then placed in series with a 6.4 M ohms resistor and an open switch. What is the initial voltage across the capacitor
A bus accelerates at 1.5 m/s/s from rest for 12s. It then travels at constant speed for 25s, How far did the bus travel
Suppose you are listening to the WKAR FM radio station on a car radio. The carrier frequency of the transmission is 90.5 MHz. Calculate the wavelength of the carrier wave
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 4.50 mT. obtain the speed of the electron
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