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A solenoid of radius 2.2 cm has350 turns and a length of 17 cm.
a) Discover its inductance.
b) Find the rate at which current should change through it to produce an emf of 75 mV.
Bronco Brown is mowing his lawn. He applies a force F along the handle of the lawnmower as shown. Bronco moves the mower at constant velocity.
Problem 12.30: Singing in the shower. We all sound like great singers in the shower, due to standing waves, What are the wavelengths of the first two overtones for this shower
It is currently popular for automobiles to use 10% ethanol / 90%gasoline mixtures (‘gasohol’) as fuel. According topopular consensus the main benefit of gasohol use is that it“reduces our dependence upon foreign oil.” Determine the ‘break-even’ fu..
A sailboat race course consists of four legs, defined by the displacement vectors , , , and , as the drawing indicates. find the distance of the fourth leg and the angle
A golfer drives her ball from the tee down the fairway in a high arcing shot. When the ball is at the highest point of its flight and why ?
four identical particles of mass 0.975 kg each are placed at the vertices of a 4.29 m x 4.29 m square and held there by
A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the too this formed 10.0 cm behind the mirror. Determine the mirror's radius of curvature.
A jeweler examines a diamond with a magnifying glass. find the angular magnification when the diamond is held 5.39cm from the magnifying glass
If 20 grams of hot water at 80 C is poured into a cavity in a very large block of ice at 0 C, what will be the final temperature of the water in the cavity? How much ice should melt in order to cool the hot water down to this temperature.
Middle schoolers are having a rocket competition; one of their rockets launches and ascends directly upward with a constant vertical acceleration of 19.5 m/s2 for 1.0 min. What is the maximum altitude reached
A 45.0-N force stretches a vertical spring0.250 m. What mass must be suspended form the spring so that the system will oscillate with a period of 2.50 s?
An incredibly large slingshot is stretched 1.5 meters to launch a 180.0-gram projectile with a speed sufficient to escape from the Earth (11.2 km/s). How many people would be required to stretch the slingshot
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