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Two parallel metal rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 188.0 ? The lower end of the rods are held in an electrically insulating block. They are separated horizontally by a distance of 20.0 cm There is a uniform magnetic field of 0.100 T directed vertically upward. A metal bar of mass 0.10 g is sliding down the metal rods. What is the maximum speed of the bar? Assume: no frictional loss and that the rods are very long; g=9.8 m/s2.
An image of the moon is focused onto a screen using a converging lens of focal length f= 35.8 cm. The diameter of the moon is 3.48×106 m, What is the diameter of the moon's image
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. If the person applies of a force of 15 N on each handle, how much force is applied to the branch
A toy train is pushed forward and released at x_0 = 2m with a speed of 2m/s. It rolls at a steady speed for 2s, and then one wheel begins to stick. The train comes to a stop 6m from the point at which it was released. What is the magnitude of trai..
two lenses with focal lengths f15cm and f210cm are located 5cm apart. if an object 2.50 high is located 15.0 cm in
Three charges are positioned on a line. Q1= -2uC, Q2= +5uC, Q3= +3uC. The distance between Q1 and Q2 is a=0.25m. Find the direction of the electric force acting on the charge
question suppose a car is traveling along a straight road at 40 mph. the car then brakes to a stop. does this violate
Suppose you wish to fabricate a uniform wire from 1.60 g of copper. The wire is to have a resistance of R = 0.580 ? and all the copper is to be used, What must be the length of this wire
An object is 32cm in front of a converging lens with a focal length of 6.9cm, Use ray tracing to determine the location of the image
Halfway through the process, the man and the daughter are each traveling with speeds of 1.10 m/s, with the man's velocity directed toward one end of the canoe and the daughter's velocity directed toward the other end of the canoe. what is the spee..
A 100-W resistance heater is connected to a 110-V doc source. What current flows through the heater
The acceleration of gravity is 9.81 m/s2 . Assuming that air resistance is simply a constant 93 N force on the person during the fall, evaluate the person’s velocity just before hitting the net.
Two locomotives approach each other on parallel tracks. Each has a speed of v = 95 km/h with respect to the ground. how long will it be before they reach each other
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