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a 120-m long conveyor belt inclined at 300deg is utilized to transport bundles of newspapers from the mailroom up to
rico slides a 60-kilogram crate up an inclined ramp 20-m long onto a platform 10 m above floor level a 400-n force
you slide a crate up a ramp at an angle of 300deg by exerting a 225-n force parallel to the ramp the crate moves at
a box that weighs 575 n is lifted a distance of 200 m straight up by a cable attached to a motor the job is done in 100
an electric motor develops 65 kilowatts of power as it lifts a loaded elevator 175 m in 35 s how much force does the
a rock climber wears a 75-kg knapsack while scaling a cliff after 30 minute the climber is 82 m above the starting
a colonial gunner sets up his 225-kg cannon at the edge of the flat top of a high tower it shoots a 45-kg cannonball
a 0105-kg hockey puck moving at 24 ms is caught and held by a 75-kg goalie at rest with what speed does the goalie
a superball of mass m and a marble of mass m are dropped from a height h with the marble just on top of the superball a
1 how long does it take for a particle to travel 110 m if it begins from rest and accelerates at 10 ms22 how far dose
two students together exert a force of 825 n in pushing a car 35 m1 how much work do they do on the car2 if the force
a 500-g bullet is fired with a velocity of 1000 ms toward a 1000-kg stationary solid block resting on a frictionless
a car moving at 10 ms crashes into a barrier and stops in 0050 s there is a 20-kg child in the car suppose that the
suppose the diameter of a basketball is d 9inch the size of a basketball rim d 18 inches a player is making a three
a force of 400 n is required to pull a 100-kg wooden block at a constant velocity across a smooth glass surface on
the moon is 15 x 108 km from the sunrsquos center and 39 x 105 km from earthrsquos center if the masses of the moon
the sun is considered to be a satellite of our galaxy the milky way the sun revolves around the center of the galaxy
discover the speeds with which mercury and saturn move around the sun does it make sense that mercury is named after a
a 3-point jump shot is released 22 m above the ground 602 m from the basket which is 305 m high for launch angles of
a ball on a light string moves in a vertical circle describe and analyze the motion of this system be sure to consider
an object is observed moving at 060 c when it explodes in the reference frame of the object the explosion disburses
a toy car runs off the edge of a table that is 1225 m high if the car lands 0400 m from the base of the table1 how long
early skeptics of the idea of a rotating earth said that the fast spin of earth would throw people at the equator into
an airplane traveling 1001 m above the ocean at 125 kmh is to drop a box of supplies to shipwrecked victims below1 how
noethers theorem states that for every continuous symmetry of a system there exists a conserved quantity eg energy