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a 80 kg object undergoes an acceleration of 25 ms2a what is the magnitude of the resultant force acting on itb if this
a bucket with a mass of 30 kilogram is suspended by a rope that is wrapped around a cylinder the cylinder has a mass of
a charge q is uniformly distributed around a thin ring of radius r the ring is rotating about an axis during its center
a 225 gram arrow is shot vertically into the air from an initial height of 140 meter above the ground with an initial
a basketball player of height 23 meter is standing 34 meter in front of a convex spherical mirror of radius of
vector a has a magnitude of 11 units at a direction of 255 o and vector b has a magnitude of 30 units at a direction of
as viewed by a traveler facing toward the front of the plane the right wingtip has higher potential explain why does
two plates are being discharged by a constant current each plate has a radius of 400 cm through the discharging at a
a thin spherical shell of mass 0450 kilogram and diameter 0230 meter is filled with alcohol rho 806 kgm3 it is then
a prospector finds a solid rock composed of granite rho 2650 kgm3 and gold the volume of the rock is 395 multiplied by
a baseball m 139 gram approaches a bat horizontally at a speed of 385 ms 86 miles per hour and is hit straight back at
a 20-cm diameter circular object has a mass of 07 kg distributed uniformly in a disc1 what is its rotational kinetic
a completely inelastic collision occurs among two balls of wet putty that move directly toward each other along a
your friend is trapped in a castle tower you want to send her a message by attaching it to an arrow and shooting the
a sailboat tied to a mooring with a line weighs 820n the mooring line pulls horizontally toward the west on the
the average speed of light slows to 075c when it refracts through a particular piece of plastica find change is there
two loud speakers a and b are separated by a distance of 20m the speakers emit sound waves at a frequency of 680hz that
a 20 kilogram 20 centimeter diameter turntable rotates at 100 rpm on frictionless bearings two 500 gram blocks fall
a small laser emits light at power 500 mw and wavelength 633 nm the laser beam is focused narrowed until its diameter
a mechanic is cleaning a ball bearing when she accidentally drops it the bearing has a mass of 0200 kilogram and it
compute the change in potential energy of a 828-kg man when he takes an elevator from the first floor to 26th floor if
a long cylindrical conductor of radius a 900cm and length l 800 m carries a current i 900 a uniformly over its
a 300 kilogram crate is on a rough surface inclined at 30o a constant force p2400 newton is applied horizontally to the
a student is on board the express train when it passes through the subway station he notices that the trains
two air track carts move forward one another on an air track cart 1 has a mass of 045kg and a speed of 11ms cart 2 has