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A ball on a light string moves in a vertical circle. Describe and analyze the motion of this system. Be sure to consider the effects of gravity and tension. Is this system in uniform circular motion? Explain.
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates, How much work is done by the force on the coin during the displacement
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. Her near point is 22 cm from her eye. What is the refractive power of a magnifying glass that has an angular magnification of 6.32 when the image of the stamp is loca..
a placekicker has to kick a football from a point 36.0 m about 40 yards from the goal. half the crowd hopes the ball
A galvanometer with a coil resistance of 14.0 and a full-scale current of 0.120 mA is used with a shunt resistor to make an ammeter. The ammeter registers amaximum current of 4.00 mA. Find the equivalent resistance of the ammeter.
Find out the constant force that must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.20 s.opposite the fullback's direction of motion.
it is estimated that in the united states population 250 million there is one electric clock per person with each clock
One January morning, a warm chinook wind rapidly raised the temperature in Spearfish, South Dakota, from below freezing to +11.1° C. Find the average speed at which its height would decrease
Two conductors having net charges of+20.0µCand-20.0µC have a potential difference of20.0V between them. Determine the capacitance of the system.
capacitor a and capacitor b both have the same voltage across their plates. however the energy of capacitor a can melt
Suppose the space shuttle is in orbit 320km from the Earth's surface, and circles the Earth about once every90.9 minutes. Find the centripetal acceleration of the space shuttle in its orbit.
A long horizontal wire with linear mass density λ = 47.5×10−3 kg/m carries acurrent of 0.534 A. The wire is situated so that it is perpendicular to a uniform, horizontal magnetic field that is juststrong enough to levitate the wire against its weight..
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the b..
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