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two moons orbit a planet in nearly circular orbits moon a has orbital radius r and moon b has orbital radius 4r moon a
an arrow of mass 20 gram is shot horizontally into a bale of hay striking the hay with a velocity of 60 ms it
a 500 kilogram child stands at the rim of a merry-go-round of radius 160 meter rotating with an angular speed of 285
an athlete swings a 490 kilogram ball horizontally on the end of a rope the ball moves in a circle of radius 0990 meter
a boat which has a speed of v 120 ms in still water heads directly across a river which has a current of 700 ms and is
a satellite of mass 190 kilogram is launched from a site on earths equator into an orbit at185 kilometer above the
a capacitor with a capacitance of c is charged with charge of magnitude q on each plate the capacitor is then connected
a determine what is the tangential acceleration of a bug on the rim of a110 in diameter disk if the disk moves from
an object with 1000 kg with a average velocity of 20 ms accelerating at -50 ms2 determine what is the distance
a man is standing on crutches suppose that the force exerted on each crutch by the ground is directed along the crutch
a 70 gram bullet is fired into a 15 kilogram ballistic pendulum the bullet emerges from the block with a speed of 200
a car engine is initially rotating at 105 rads it is then turned off and takes 340 second to come to a complete stop
the angular speed of the shaft of a cars engine is 329 rads find how many revolutions does it complete in 30 hours
an old-fashioned vinyl record rotates at a constant rate of 33 revolutions per minutea evaluate what is its angular
a swing ride at a carnival consists of chairs that are swung in a circle by 120 meter cables attached to a vertical
an automobile is going up a 15o grade at a speed of 30 ms the coefficient of static friction bw the tires and the road
a 100 gram marble slide to the left with a velocity of 16 ms on frictionless horizontal surface has a head-on elastic
a soccer ball with mass 0400 kilogram is traveling with a speed of 430 ms at an angle of 20 degree counter clockwise
a hollow spherical shell with mass 225 kilogram rolls without slipping down a slope that makes an angle of 300 degree
explain how to calculate the angular velocity of second minute and hour hands of the clock using the formula delta
a 850 kilogram car pushes a 2400 kilogram truck that has a dead battery when the driver steps on the accelerator the
a car engine wastes 90 percent of its energy as heat if the car burns a gallon of gas 3785 ga obtain how much heat does
consider three charged particles located along the x-axis the particle with q1 919 nc is at x 570 meter and q2 443
a magnetic field has magnitude of 10 t and can be used to store energy find what magnitude of electric field one should
a diver running 25 ms dives out horizontally from the edge of a vertical cliff and 23 second later reaches the water