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A car is moving with constant velocity v, and has wheels of radius R. The car drives over a clump of mud and the mud with mass m sticks to the wheel with an adhesive force of f perpendicular to the surface of wheel. At what angle does the piece of mud drop off the wheel?
A toroidal solenoid has 550 turns, cross-sectional area 7.00cm2 , and mean radius 4.90cm, Calcualte the coil's self-inductance
A car drives straight off the edge of the cliff that is 56 m high. The police at the scene of the accident note that the point of impact is 128m from the base of the cliff. How fast was car travelling when it went over the cliff.
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, Find the expressions for the electric field inside the sphere
A 175 watt motor is used to lift a 129 kg container to a height of 7m. How much time does it take to lift container with the motor.
If the contact time between bat and ball is 2.80×10?3s , calculate the average force between the ball and bat during contact
Suppose an electron is accelerated from rest through a difference in potential of V = 4.6 V. Find the speed of the electron after the collision
Four point charges have equal magnitudes. Three are positive, and one is negative, Calculate the ratio of the largest to the smallest net force magnitude
Suppose the scale of a crown read 7.84 N in air and 6.84 N in water. Gold density = 19.3 g/cm3 , What would the scale reading be in water
A scaffold of mass 60 kg and length 5.5 m is supported in a horizontal position by a vertical cable at each end. find the tension in the cable closer to the painter
A skater has rotational inertia 4.2 kg?m2 with his fists held to his chest and 5.7 kg?m2 with his arms outstretched. how fast will he be spinning
A metal wire 1.0mm in diameter and 2.5m long hangs vertically with a 4.8-kg object suspended from it. what is the value of Young's modulus for the metal
A constant horizontal pull of 8.80 drags a box along a horizontal floor through a distance of 19.5, what angle does the force make with the horizontal
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