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A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 15.2 minutes at an average speed of 9.27 m/s. During the second part, she rides for 40.7 minutes at an average speed of 3.79 m/s. Finally, during the third part, she rides for 14.1 minutes at an average speed of 12.2 m/s.
(a) How far has the bicyclist traveled during the entire trip?
(b) What is the average speed of the bicyclist for the trip?
Determine the magnitude of the emf induced in the loop after exactly time 6 has passed since the circumference of the loop started to reduce.
A dog sitting 3.7m from a vertical mirror thinks its image is another dog. How far is the image from the dog
The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.
A football is thrown with an initial upward velocity component of 15.0 and a horizontal velocity component of 17.5 . How high does it get above the ground? How far has the football traveled horizontally from its original position?
The electric field everywhere on the surface of a thin, spherical shell of radius 0.785 m is of magnitude 850 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface? Please show work.
how many days would be required to move one of the charges.
A 165 pF capacitor is connected in series with an unknown capacitor, and as a series combination they are connected to a battery with emf of 21.3 V. If the 165 pF capacitor stores 112 pC of charge on its plates, what is the unknown capacitance.
An 80 g, 35 cm long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 13 g ball of clay travelling horizontally at 2.50 m/s hits and sticks to the very bottom tip of the rod.
Find the equation for the acceleration of the moving body at any time.
An Indy car with a speed of 120km/h goes around a level, circular track with a radius of 1km. What is centripetal acceleration of the car.
A 3500 kg block falls vertically through 5 m and then collides with a 400 kg pile, driving it 3.0 cm into bedrock. Assuming that the block-pile collision is completely inelastic, find out the magnitude of the average force on the pile from the bed..
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
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