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an iron bolt of mass 750 g hangs from a string 324 cm long the top end of the string is fixed without touching it a
charges 68 c 61 c and -15 c are brought from infinity to the respective vertices of an equilateral triangle with 110 cm
a truck starts out at position x 27 mi and y 54 mi and winds up at position x 45 mi y 22 mi the truck made the
an aircraft carrier has a speed of 13 ms relative to the water a jet is catapulted from the deck and has a speed of 67
the driver of a car slams on the brakes when he sees a tree blocking the road the car slows uniformly with an
a roller coaster car rolls down a frictionless track reaching a speed v0velocity original at the bottom if you want the
at the instant a traffic-light turns green a car starts with a constant acceleration of 834 fts2 at the same instant a
a ferry transports tourists among three islands it sails from the first island to the second island 566 km away in a
a box rests on the ice of a frozen pond a man applies a horizontal force of 48 n to the box causing the box to
at a testing facility both a rocket and a jet are to be compared on their performance the jet was tested first it
consider two blocks of wood one having mass of 1 kg and the other having a mass of 2 kg the larger block sits directly
what is the capacitive reactance of two square pieces of sheet metal 200 meters on a side separated by 200 cm which
a projectile is set 8000m horizontally from the edge of a bluff that drops 100m down from the level of projectilea how
a train is moving east on a straight track with a speed of 129 ms raindrops falling straight down with respect to the
two objects of weight w1 and w2 are placed on a frictionless inclinced plane are connected by a massless string looped
a pair of parallel conducting rails is separated by 550 cm they are joined at one end by a circuit component containing
a weather vane initially at rest has a moment of inertia of 0103 kg middot m2 about its axis of rotation a 710 g piece
a 185 kg mass is attached to a light cord that is wrapped around a pulley of radius 255 cm which turns with negligible
a baseball pitcher pivots his extended arm about his shoulder joint applying a constant torque of 197 n middot m for
as a bowling ball of radius 140 cm rolls down the alley to the right a frictional force of magnitude 122 n directed to
a 94-kg watermelon 30 degreesand a 78-kg pumpkin 53 degrees attached to each other via a cord that wraps over a pulley
a merry-go-round starts from rest and accelerates uniformly over 165 s to a final angular velocity of 765 revmina find
a bullet of mass 111 g is fired into an initially stationary block and comes to rest in the block the block of mass 121
an object of mass 526 kg is released from rest and drops 195 m to the floor the collision is completely inelastic how
you hit a golf ball at a 61 degree angle and it lands 120 m away and 9 m down in a hole from its original y position