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a factory worker pushes a 300kg crate a distance of 44 m along a level floor at constant velocity by pushing downward
a factory worker pushes a crate of mass 320kg a distance of 485m along a level floor at constant velocity by pushing
suppose a satellite is in a circular orbit 5175 earth radii above the surface of the earth 6175 earth radii from the
water moves through a constricted pipe in steady ideal flow at the lower point shown in the figure below the pressure
a boat carrying a load of bricks is floating in a canal lock one of the crew members throws a brick overboard and it
a baseball approaches home plate at a speed of 500 ms moving horizontally just before being hit by a bat the batter
a capacitor with its plates separated by paper stores 46 nc of charge when it is connected to a particular battery an
a 450g rubber ball is dropped from 20m above the floor after the bounce the ball only rises to a height of 15m above
a 200g bullet strikes a 200kg block hanging from a long cord the bullet imbeds itself in the block causing the block to
at an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis people sit in
the electric field strength is 480times104 vm inside a parallel-plate capacitor with a 25 mm spacing a proton is
two people are standing on a 219-m-long platform one at each end the platform floats parallel to the ground on a
a 742-g bullet is moving horizontally with a velocity of 362 ms where the sign indicates that it is moving to the
a hypodermic syringe contains a medicine with the density of water see figure below the barrel of the syringe has a
a car is going around a corner with a radius of 68 m at one instant its speed is 19 ms and its speed is increasing at a
a 300 kg box is moving to the right with speed 100ms on a horizontal frictionless surface at t 0 a horizontal force is
a weightlifter bench-presses a 1300 kg barbell from his chest to a height equal the length of his arms 0850 m how much
an open-tube mercury manometer is used to measure the pressure in an oxygen tanka when the atmospheric pressure
the 563- kg weight that drives the time mechanism of a grandfather clock descends 25 cm in exactly 24 hours what power
a 43- kg box of books is pulled up a 476- m-long inclined plank to a height of 14 m a force of 256 n parallel to the
a 750 kg football player leaps straight up into the air with no horizontal velocity to catch a pass he catches the 0430
use the worked example above to help you solve this problem a cylinder contains215mol of helium gas at190degc assume
a woman with mass 495 kg is standing on the rim of a large disk that is rotating at 0490 revs about an axis
a calculate the angular momentum of a solid uniform sphere with a radius of 0150 m and a mass of 160 kg if it is