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A 4.94-g bullet is shot through a 0.99-kg wood blocksuspended on a string 2.00 m long. The center of mass of the blockrises a distance of 0.50 cm. Find the speed of the bullet as itemerges from the block if its initial speed is 393 m/s.
A 0.1A current is charging a capacitor that has square plates 5cm on each side. Find the time rate of change of electric flux between the plates
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 21.1 N; when it is completely immersed in water, What is the volume of the block
An LC circuit has a 9.00 m/H inductor. The current has its maximum value of 0.550 A at t= 0s . A short time later the capacitor reaches its maximum potential difference of 62.0 V. What is the value of the capacitance?
Three 1.0-C charges are equally spaced on a straight line. The separation of each charge from its neighbor is 100m. Find the force on the center charge if (a) all charges are positive, (b) all charges are negative, and (c) the rightmost charge is neg..
A rod of length 30.0 cm has linear density (mass per length) given by: ?= 50.0 + 20.0x. What is the mass of the rod
A thin spherical shell of silver has an inner radius of 7.80 x 10-2 m, Find the change in the interior volume of the shell
In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure between the air inside and the air outside. What is the magnitude of the force on the roof
A car travels due East with a speed of 33.5 km/h. Rain is falling vertically with respect to the Earth. Find the velocity of the rain with respect to the car
A 64 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.15. What would be the magnitude of acceleration.
You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1470N will move with speed 2.2m/s at the top of a ramp that slopes downward at an angle 25.0degrees.
An airplane is to drop an abject to hit a target on the ground. The plane is flying at a constant speed of 300 km/h horizontally, How far in advance should the object be let go in order for it to reach the target
A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, What is the temperature of the heating element in contact with the pot
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