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A solid, uniform ball rolls without slipping up a hill, as shown in the figure . At the top of the hill, it is moving horizontally; then it goes over the vertical cliff.
a. How far from the foot of the cliff does the ball land?
b. How fast is it moving just before it lands?
c. Notice that when the ball lands, it has a larger translational speed than it had at the bottom of the hill. Does this mean that the ball somehow gained energy by going up the hill? Explain!
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
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The Moon has an angular size of 0.50 ? when viewed with unaided vision from Earth. What is the angular size of the Moon as seen through this telescope
There are 5 pairs of plates: A,B, and D are charged plastic plates and C is an electrically neutral copper plate. A is attracted to B, C to A, C to D, B to D, How can you tell if they attract or do not
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Two capacitors, C1 = 4.00 µF and C2 = 13.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. Find the equivalent capacitance of the combination
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1. an electric motor performs 2000 j of work while lifting a 50 kg mass. how far does it lift the mass?it it takes
An extremely light rod 1.00 m long has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. find the moment of inertia of the system about the fixed axis
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