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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
an object starts from rest and falls under the influence of gravity draw graphs ofa its speed andb the distance it has