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a solenoid of radius 35 cm has 800 turns and a length of 25 cma find its inductanceapply the expression for the
a 200g block on a frictionless surface is pushed against a spring with spring constant 500nm compressing the spring by
in a double-slit experiment the slit spacing is 022m the distance to the screen is 330m and light of wavelength 662nm
the velocity of a 621-kg auto is changed from 100 ms to 440 ms in 702 s by an external constant forcea what is the
a 2590-kg van runs into the back of a 821-kg compact car at rest they move off together at 85 ms assuming the friction
a 99-kg fullback running at 82 ms collides in midair with a 126-kg defensive tackle moving in the opposite direction
a car moving at 8 ms crashes into a barrier and stops in 0050 s there is a 17-kg child in the car assume that the
small rockets are used to make tiny adjustments in the speeds of satellites one such rocket has a thrust of 35 n if it
a hockey player makes a slap shot exerting a constant force of 252 n on the hockey puck for 019 s what is the magnitude
a small ball of mass 050 g has an electric charge of 10 x 10-5 c the ball has an initial velocity of 20 ms directed
a beetle 450 mm long is examined with a simple magnifier of focal length 117 cm if the observers eye is relaxed while
a student doing part b of the experiment drops a ball from h0 100 cm and measures the height it rebounds to as h 54
a piston-cylinder device initially contains 1 m of nitrogen gas at 400kpa and 27 c a resistance heater is turned on
a baseball player stealing second base runs at 78 ms if he slides the last 36 m slowing to a stop at the base whats the
a 16320-kg airplane lands with a speed of 89 ms on a stationary aircraft carrier deck that is 115 m long find the work
a 30g dart is shot straight up at 10 ms at the same instant a 21g ball of cork is dropped from 28m above the dartwhat
a 500 g cart is released from rest 100 m from the bottom of a frictionless 300 degree ramp the cart rolls down the ramp
the skiing duo of brian 83 and ashley 46 is always a crowd pleaser in one routine brian wearing wood skis starts at
in the bohr-model hydrogen atom the single electron orbits the nucleus in a circle of radius a 5310 -11 making f 6610
two wheels can rotate freely about fixed axles through their centers the wheels have the same mass but one has twice
1 a spring system consists of a stationary spring and a 100-gram mass attached to one end that slides along a
two batteries are connected in parallel to power a wheelchair if each of the batteries has electromotive force 12v and
suppose a portable electric heater can be modeled by an ohmic resistor if the heater requires 600 watts to operate and
a 55 kg meteorite buries itself 45 m into soft mud the force between the meteorite and the mud is given by fx 610
the primary winding of an electric train transformer has 400 turns and the secondary has 50 if the input voltage is