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A 3.0 solid sphere (radius = 0.20 ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.50 high and 5.3 long. When the sphere reaches the bottom of the ramp, what is its total kinetic energy? When the sphere reaches the bottom of the ramp, what is its rotational kinetic energy? When the sphere reaches the bottom of the ramp, what is its translational kinetic energy?
State the condition that is necessary for a charge to move in a wire. Relate the definition of electric current to the units of current. Explain the cause of resistance and how the resistance of a wire can be determined.
An amusement ride consists of a car moving in a vertical circleon the end of a rigid boom. The radius of the circle is 10 meter.The combined weight of the car and riders is 5.0 kNewton. At thetop of the circle the car has a speed of 5.0 m/s.
Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings
An airplane is flying with a velocity of 95 at an angle of 19 above the horizontal. When the plane is a distance 111 m directly above a dog that is standing on level ground, suitcase drops out of luggage compartment.
You are the operator of a 15,000 V rms, 60 Hz electrical sub-statin. When you get to work one day, you see that the station is delivering 6.0 MW of power with a power factor of .90. how much power will the station then be delivering
Your are sitting in your car, which is standing at the side of the road with the engine idling. After what distance will you catch up with your classmate
A capacitor (capacitance C1) is connected across the terminals of an ac generator. Without changing the voltage or frequency of the generator, a second capacitor (capacitance C2) is added in series with the first one. As a result, the current deli..
A long straight thin round conductor carries a linearcharge density λ=7 μC/m. What is the electric field in the region outside the conductor.
A 3.00-kg block starts from rest at the top of a 35.5° incline and slides 2.00 m down the incline in 1.50 s, Find the frictional force acting on the block
The primary coil of a transformer has 100 turns and its secondary coil has 400 turns. If theac voltage applied to the primary coil is 120V
Calculate the force between two objects that have masses of 70 kg and 2,000 kilograms separated by a distance of 1 meter. Calculate the force between two touching grapefruits each with a radius of 0.08 meters and a mass of 0.45 kilograms.
A father pulls his identical twins on identical sleds tied one after the other. He exerts a force F that makes an angle of 30degrees with the horizontal, What is the tension in the rope that he is pulling
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