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A bungee jumper momentarily comes to rest at the bottom of thedive before they spring back upward. At that moment, describe the bungee jumpers velocity, acceleration, and whether or not they arein equilibrum?
In a ballistics test, a 25.00 g bullet travelling horizontally at 1300m/s goes through a 20.00 cm thick 450 kg stationary target and emerges with a speed of 800m/s. The target is free to slide on a smooth horizontal surface. How long is the bullet..
A satellite has a mass of 6043 kg and is in a circular orbit 4.60 × 105 m above the surface of a planet. The period of the orbit is 2.2 hours. What would be the true weight of the satellite
a proton moving at a constant velocity of 106 ms enters a region of uniform magnetic field perpendicular to its
Two people carry a heavy electric motor by placing it on a light board 2.60 m long. What is the weight of the motor in this case
a hoisting engine lifts a 200kg bucket of 1200liters of clay with density of 2000kg per cubic meter to a height of 7
A charge of 2.19 µC is held fixed at the origin. A second charge of 2.19 µC is released from rest at the position (1.15 m, 0.470 m) . If the mass of the second charge is 2.10 g, what is its speed when it moves infinitely far from the origin?
A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ? = 0.180 kg/m3). How long will it take for the top of the shell to reach the water surface
a speeder passes a parked police car at a constant speed of 21.1 ms. at that instant the police car starts from rest
q1. a space station in the form of a wheel 128 m in diameter rotates to provide an artificial gravity of 3.20 ms2 for
A sample of isotope of 131 Iodine (half-life of 8.04 days) has activity of 5.8 mCi at the time of shipment. How much time has elapsed between the two measurements
A 125-turn circular coil of radius 2.75 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Find the magnitude of the average EMF
An immersible heater coil is to be designed to heat an insulated container with 4 liters of distilled water from 20 degrees to 50 degrees C in less than 30 minutes. what is the resistance of the heating coil
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