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a hole of radius r2 is cut from a think circular plate of radius r the mass of remaining plate is m find the moment of
a spring lies on a horizontal table and the left end of the spring is attached to a wall the other end is connected to
if you rub and inflated balloon against your hair and then place it against a neutral wall the balloon sticks to the
a solenoid 950 centimeter long has a cross-sectional area of 120 cm2 there are 800 turns of wire carrying a current of
a block is hung by a string from the inside roof of a car when the car goes straight ahead at a speed of 34 ms the
a 5 kilogram weight is pushed up a 30 degree incline for 100 minute with a 980 newton force parallel to the plane find
you need to design an industrial turntable that is 550 centimeter in diameter and has a kinetic energy of 0245 joule
a computer disk drive is turned on starting from rest and has constant angular acceleration it took 0944 second for the
a 0155 kilogram of water at 920oc is poured into an insulated cup containing 0240 kilogram of ice initially at 0 degree
an unknown length of platinum wire is 0920 millimeter in diameter is used as the unknown resistance in the wheatstone
a train starts from rest at your stationary position and heads directly away from you it accelerates at a constant 050
erin is late to physics class and is coming down the hall as the bells are ringing there are two bells in the hall 1 at
a block of mass 31 kilogram rests on a frictionless inclined plane held in place by a string of mass 0023 kilogram the
a plane flies at a speed of 100ms relative to still air there is a wind blowing at 40ms 55 degrees to the east of
the tub of a washer goes into its spin-dry cycle starting from rest and reaching an angular speed of 30 revs in 110
let east with the x direction and north be the y directionnbsp a driver travels 10 km east 20 km north and 50 km south
a forklift truck is being used to raise a 60 kh crate onto a shelf the crate contains breakables so it must not slide
a 57- kg concrete block rests on a level table a 31- kg mass is attached to the block by a string passing over a light
to enter the main pool at an amusement park a swimmer use a water slide which has a vertical height of 241 meter
a 155 kg mass vibrates in simple harmonic motion with a frequency of 79 hz it has a maximum displacement from
a block of mass m slides without friction along the looped track shown in the figure if the block is to remain on the
as an acapulco cliff diver drops to the water from a height of 310 meter his gravitational potential energy decreases
a pitcher throws a curveball that reaches the catcher in 058 sec the ball curves because it is spinning at an average
a 200g block is pressed against a spring k 1400 nm until the block compresses the spring 100cm from equilibrium the
a dentist wants a mirror that when 230 centimeter from a tooth will produce a 25x upright image should a convex or