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The gun on a battleship is at the surface of the water, and fires a 500 kg projectile with a muzzle velocity of 400 m/sec
a) What is the maximum range?
b) what is the maximum height of the projectile when it is fired for maximum range?
c) Suppose there is a submarine (on the surface) 8 km away. What angle should the gun be fired at to hit the submarine?
d) Is there more than one angle at which the gun can be fired to hit the sub? If so, what is it?
Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At the instant while the center of the disk has moved a distance x = 0.12 m, a length d = 0.27 m of string has unwound off the disk.
What is the cross-sectional area of the wire. Nichrome wire of cross-sectional radius 0.786 mm is to be used in winding a heating coil. If the coil must carry a current of 8.00 A when a voltage of 3.00 x 10^2 V is applied across its ends.
Charges of -11.5 nC and -22.1 nC are separated by 0.733 m. What is the potential midway between the two charges?
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Suppose one gallon of gasoline produces 1.09×108 J of energy, and this energy is sufficient to operate a car for 21.7 miles. how many miles could the car go on a single tablet
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
Each time you remove a bulb you will calculate the new total resistance and the new current.
The drive propeller of a ship starts from rest and accelerates at 2.50 x 10-3 rad/s2 for 2.15 x 103 s. find the total angular displacement of the propeller
A piece of wood is 0.600m long, 0.210m wide, and 0.08 m thick. Its density is 600kg/m3. find the mass of this volume of lead
A camera's flash uses the energy stored in a 260?F capacitor charged to 190V . The current in the charging circuit is not to exceed 21mA, What's the resistance in the charging circuit
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