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A cyclist traveling at 5 m/s uniformly accelerates up to 10 m/s in2.0 Sec. Each tire of the bike has a 35 cm radius, and a smallpebble is caught in one of them.
(a) what is the angular acceleration of the pebble during those twoseconds ?
(b) Through what angle does the pebble revolve ? How far does thepebble travel during that accelerating interval?
three point charges have equal magnitudes two being positive and one negative. these charges are fixed to the corners
A 45kg figure skater is spinning on the toes of her skates at 0.50rev/s . Her arms are outstretched as far as they will go. In this orientation, What is her new rotation frequency, in revolutions per second
We've seen that fish can control their buoyancy through the use of a swim bladder, a gas-filled organ inside the body. How many moles of air are in the swim bladder when the fish is at a depth of 97ft
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.42 m. find Where should the third charge be located
The distance between points A and B along the open flow path is 500 ft. Calculate the total head loss between points A and B. Assume A and B are at the same elevation.
A diverging lens with f= -26.0 cm is placed 11.0 cm behind a converging lens with f= 20.0 cm. Where will an object at infinity be focused
q1. a rock is projected from the edge of the top of a building with an initial velocity of 14 ms at an angle of 36
a an ionization chamber is used with an electrometer capable of measuring 50microa. calculate the rate at which
A small but measurable current of 8.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm. calculate the current density and electron drift speed
A camera lens used for taking close-up photographs has a focal length of 23.5 mm. The farthest it can be placed from the film is 33.5 mm. What is the closest object that can be photographed
a string with a mass of 27 g and a length of 2 m is stretched under a tension of 68 n. how much power must be supplied
How numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k boost in temperature?
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