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A 4.50-g bullet has a muzzle velocity of 300 m/s when fired by a rifle with a weight of 20.0 N.
(a) Determine the recoil speed of the rifle.
(b) If a marksman with a weight of 625 N holds the rifle firmly against his shoulder, determine the recoil speed of the shooter and rifle.
A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J.
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
On a cool morning, when the temperature is 14 degrees C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, temperature of your tires is 52 degrees C.
A particular satellite was placed in a circular orbit about 155 mi above Earth, Determine the time required for one complete revolution
a -10.0 nc point charge and a 20.0 nc point charge are 14.9 cm apart on the x-axis.part a. what is the electric
A 900 kilogram cart is rolling to the right at 3.70 m/s. A 90.0 kilogram man is standing on the right end of the cart. Find the speed of cart if the man suddenly starts running
what is the entropy change during the free expansion of 1.70 moles of an ideal gas from an intial volume of 1.60 liters into an evacuated volume of 1.90 additional liters
A 6.0- kg concrete block rests on a level table. A 3.9- kg mass is attached to the block by a string passing over a light, frictionless pulley. find the coefficient of friction between the block and the table
Two balls of putty, each mass m, move in opposite directions toward each other with speeds of 0.95. What is the mass of this ball of putty
A stone is thrown with an initial speed of 12 m/s at an angle of 30 degrees above the horizontal from the top edge of a cliff. how far does the stone travel horizontally
A plumb bob is suspended from a point in the Northern hemisphere at a latitude of 45o. Find the angle this plumb bob makes
A beam of unpolarized light shines on a stack of five ideal polarizers, Find the angle between the axes of each pair of adjacent polarizers
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