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three resistors having resistances of r1 153 r2 237 and r3 473respectively are connected in parallel to a 283 v
freight car with mass of 25000 kg rolls down an inclined track through a vertical distance of 15 m at the bottom of the
you have a special lightbulb with a very delicate wire filament the wire will break if the current in it ever exceeds
an explosion of a 100-kg bomb releases only two separate pieces the bomb was initially at rest and a 400-kg piece
a hockey puck brests on a smooth surface of ice and is struck by a second puck a which was originally traveling at
a fire hose of radius 00300m is connected to the pump outlet on the fire truck at the other end of the hose water
a child and an adult are walking their legs swing like physical pendulums and both swing through the same maximum angle
fm station kcom transmits simultaneously at a frequency of 999 mhz from two broadcast towers placed precisely 315 m
suppose you inherit 305 mol of gold from your uncle an eccentric chemist at a time when this metal is selling for 1500
an object of mass m moves to the right with a speed v it collides head-on with an object of mass 3m moving with speed
a 240g air track glider is connected to a string hanging over a frictionless pulley a 110g mass hangs from the other
a 3440 kg statue is supported by a glass stand the cross-section of the stand is square 015 m to a side before the
a person goes up and down in simple harmonic motion while standing on a trampoline the amplitude is 0125 m and it takes
the planet mars has a mass of 642e23kg and a raduisfrom its centre to the surfaceof 338e6m how would a 60kg person
a 31kg block of wood sits on a table a 30g bullet fired horizontally at a speed of 370ms goes completely through the
you are piloting a spacecraft whose total mass is 1150 kg and attempting to dock with a space station in deep space
the density of a 245-m long rod can be described by the linear density function x 121 gm 135x gm2 one end of the rod
a uniform chain with a mass of 147 kg per meter of length is coiled on a table one end is pulled upward at a constant
a fire hose 419 cm in diameter is capable of spraying water at a velocity of 163 ms for a continuous horizontal flow of
sam 683 kg and alice 415 kg stand on an ice rink providing them with a nearly frictionless surface to slide on sam
a 481-kg cannon fires a 183-kg projectile with a speed of 167 ms with respect to the muzzle the cannon is on wheels and
a man with a mass of 713 kg stands up in a 61-kg canoe of length 400 m floating on water he walks from a point 075 m
two objects m1 215 kg and m2 430 kg sit on a horizontal frictionless surface and are pushed together with a
a 319-kg cannon sliding freely on a frictionless horizontal plane at a speed of 813 ms shoots a 131-kg cannonball at an
a cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer