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an inductor with an inductance of 270h and a resistance of 720phi is connected to the terminals of a battery with an
for a glass lens submerged in water n133 the critical angle of incidence at which total internal reflection begins to
a satellite of mass 190 kg is launched from a site on the equator into a circular orbit at 4000 km above earths surface
a skier of mass 64 kg is pulled up a slope by a motor-driven cablea how much work is required to pull him 55 m up a
you are operating a water pump at the base of a 18 m building the water at the base is 38 atm and moving at 06 meters
you push your physics book 170rm m along a horizontal tabletop with a horizontal push of 280rm n while the opposing
you have a 200 kg cylinder of ice it is bobbing vertically in the water ices density is 900 kg per cubic meter if only
a 100kg hollow sphere is neutrally buoyant and completely underwater its volume is 05 cubic meter if this 05 cubic
a high-speed photograph of a club hitting a golf ball is shown in the figure below the club was in contact with a ball
a small 200 kg cart is moving at 150 ms on an air track when it collides with a larger 100 kg cart at rest after the
so i have a spring with a ball on it i measure how many times it oscillates 10 times and i measure those 10 times at
a ball is thrown horizontally from a cliff at a speed of 15 ms what is the speed one second
a rod 110 cm long is uniformly charged and has a total charge of -215 microca determine the magnitude of the electric
a 302 kg car moving at 157 ms hits from behind another car moving at 106 ms in the same direction if the second car has
a small marble is dropped from a height of 12 m and comes to rest after penetrating23 cm into sand a determine the
the froghopper philaenus spumarius holds the world record for insect jumps when leaping at an angle of 580 above the
a water heater consisting of a metal coil that is connected across the terminals of a 12-v power supply is able to heat
what is the order of magnitude of the maximum displacement of a cu atom at the debye temperature campare this
water flows over victoria falls which is 128 m high at an average rate of 110 106 kgs if all the potential energy of
a 80-kg snow skier is being pulled up a 16 deg slope by a steel youngs modulus 20 x 1011 nm2 cable the cable has a
an object is thrown upwards with a speed of 13 ms how long does it take to reach a height of 40 m above the projection
a piston with a volume of 24 liters contains 30 moles of argon it is heated from 20 degrees celsius to 178 degrees
a copper youngs mudulus 11 x 1011 nm2 cylinder and a brass youngs mudulus 90 x 1010 nm2 cylinder are stacked end to end
two stretched cables both experience the same stress the first cable has a radius of 31x10-3 m and is subject to a
a 15 kg mass is moving in a circle of radius 2 m on a flat frictionless table at the end of a string the speed of the