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an object acted on by three forces moves with constant velocity one force acting on the object is in the positive x
a stone is thrown vertically downward from a cliff 186 meter tall during the last half second of its flight the stone
two boat landings are 1 kilometer apart on the same bank of a stream that flows at 18 kilometer per hour a motorboat
force company issued 2000000 of 3 percent 10-year bonds at 98 14 interest is paid annually and the straight-line method
a disk rotates with constant angular acceleration the initial angular speed of the disk is 2 rads after the disk
a ball of mass 350kg is swung at the end of a 240m string such that the plane of its path is horizontal and the circle
suppose an ideal battery does 80 joule of work in moving 7 c of charge between its terminals determine what the emf of
a small object carries a charge of 10 muc if the object is so small that it can be regarded as a point charge determine
a 20-kg object is attached to one end of a horizontal spring that has a negligible mass and a spring constant of 250 nm
an 87 g piece of metal is heated to 98acircdegc and located into 200 ml of water insulated at 20acircdegc if the
a car is moving south with an absolute velocity of 40 kmh an observer at o is stationed 50 m to the east of the line of
a 60 muc negative charge is attracted to a large well-anchored positive charge find how much kinetic energy does
two 10-g beads are charged equally and placed 50 cm apart when released they begin to accelerate at 150 ms2 what is the
two long straight current-carrying wires run parallel to each other the current in one of the wires is 48 amp their
a hockey puck leaves a players stick with a speed of 830ms and slides 250m before coming to rest discover the
a solenoid has a radius rs 3 centimeter length l 285 centimeter and ns 125 turns the current in the solenoid goes
a 89-kg child sits in a 35-kg high chair1 complete the childs free-body diagram by adding the forces that act on the
compute the magnitude of an electric field that balances the weight of a plastic sphere of mass 9 gram that has been
a block of mass m1 327 kg on a frictionless plane inclined at angle 312deg is connected by a cord over a mass less
light photon of frequency 4 x 1015 hertz is allowed to fall on a metal surface if the maximum kinetic energy gained by
compute the capacitance of a planet assuming it is a spherical capacitor of radius r 80500 km with charge distributed
you are riding in a boat whose speed relative to the water is 49 meter per second the boat points at an angle of 265
a capacitor is formed from a hollow copper sphere of outer radius 454 cm and inner radius 363 cm compute the
a 18800 kg helicopter lifts a 4700 kg truck with an upward acceleration of 15 ms2 compute a the net upward force on the
you have designed a rocket to be used to sample the local atmosphere for pollution it is fired vertically with a