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as a particle moves along an x axis a force in the positive direction of the axis acts on it figure shows the magnitude
an elevator cab has a mass of 4500 kg and can carry a maximum load of 1800 kg if the cab is moving upward at full load
an 80 kg object is moving in the positive direction of an x axis when it passes through x 0 a constant force directed
a230 kg crate hangs from the end of a rope of length l 120 m you push horizontally on the crate with a varying force f
a spring with a pointer attached is hanging next to a scale marked in millimeters three different packages are hung
a spring and block are in the arrangement of fig when the block is pulled out to x 40cm we must apply a force of
a proton mass m 167 x 10-27 kg is being accelerated along a straight line at 36 x 1015 ms2 in a machine if the proton
a particle moves along a straight path through displacement d 8 mi cj while force f 2 ni - 4ni acts on it other
a coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy
a cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable
a can of bolts and nuts is pushed 200 m along an x axis by a broom along the greasy frictionless floor of a car repair
a block is sent up a frictionless ramp along which an x axis extends upward figure gives the kinetic energy of the
a bead with mass 18 x 10-2 kg is moving along a wire in the positive direction of an x axis beginning at time t 0 when
a 45 kg block of ice slides down a frictionless incline l5 m long and 091 m high a worker pushes up against the ice
a 120 n force with a fixed orientation does work on a particle as the particle moves through displacement d 200i -
suppose a car manufacturer tested its cars for front-end collisions by hauling them up on a crane and dropping them
raindrops make an angle with the vertical when viewed through a moving train window fig if the speed of the train is
in a lecture demonstration a 30-m-long vertical string with ten bolts tied to it at equal intervals is dropped from the
if you stand motionless under an umbrella in a rainstorm where the drops fall vertically you remain relatively dry
if you are riding on a train that speed past another train moving in the same direction on an adjacent track it appears
if air resistance is neglected show algebraically that a ball thrown vertically upward with a speed vo will have the
huck finn walks at a speed of 060 ms across his raft that is he walks perpendicular to the rafts motion relative to the
determine the stopping distances for a car with an initial speed of 95 kmh and human reaction time of 10s for an
consider the street pattern shown in fig each intersection has a traffic signal and the speed limit us 50kmh suppose
at highway speeds a particular automobile is capable of an acceleration of about 16ms2 at this rate how long does it