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If the earth rotates with enough speed we would be thrown off of the surface. Obtain what angular speed would the earth need in order for you to just lift off of the surface? Determine what would be the length of one day?
What is resultant force
Joey, whose mass is 37kg , stands at rest at the outer edge of the frictionless 250kg merry-go-round, 1.9m from its center. The merry-go-round is also at rest. What is the final angular speed of the merry-go-round
A rocket is launched from the surface of the earth with speed 2.00x104 m/s. What is the speed of the rocket at an infinite distance from the earth
A motor is designed to operate on 117 V and draws a current of 15.0 A when it first starts up. determine the resistance of the armature coil
A horizontal force of 159N pushes a 20 kg block up a frictionless incline that makes an angle of 35 degrees with the horizontal. What is the acceleration of the block
a mass m is released from rest at a height 4r and then travels along a frictionless track through a circular loop. the
A horizontal magnetic field of 1.1×10?4 T is at an angle of 31 to the direction of the current in a straight, horizontal wire 80 cm long. If the wire carries a current of 18 A, what is the magnitude of the force on the wire
An Airplane is flying un a horizontal circle at a speed of 100 m/s.The 80.0 kg piolot does not want her radial accerlation to exceed7g. What is the minimum radius of the circular path
Illustrate what is the frictional force acting on the disk? The disk will slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction?
A 0.150 T magnetic field B crosses the xyplane perpendicular to the x axis and at an angle of45.0° to the y axis. A square surfacewith sides of length 7.00 m lies mainly in the xyplane, but a 1.50 m section of it at one end is bent 90°in the negat..
A rope attached to a 19.0 kilogram wood sled pull the sled up a 18.0 degree snow-covered hill. A 5.00 kilogram wood box rides on top of the sled. compute at what value of the tension does the box slip
a find the wavelength of the sound upwind of the siren.b find the wavelength of the sound downwind of the siren.c
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