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A 5.0 g bullet leaves the muzzle of a riffle with a speedof 320 m/s. What force (assumed constant) is exerted on the bulletwhile it is traveling down the 0.82 m long barrel of the riffle?
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
Two sinusoidal waves of the same period, with amplitudes of 5.5 and 7.5 mm, travel in the same direction along a stretched string; What is the phase constant of the other wave
A flagpole of length 9 m and mass 35 kg is hinged at one end, where it is connected to a wall as sketched below. The pole is held up by a cable attached to the end. Find out the tension in the cable. (Assume the flagpole has an uniform mass distr..
An 81.7-g arrow is fired from a bow whose string exerts an average force of 121 N on the arrow over a distance of 78.4 cm
q1. a heavy rope used for as a mooring line for a cruise ship sags a shown. if the mass of the rope is 96 kg what are
A Carnot air conditioner maintains the temperature in a house at 294 K on a day when the temperature outside is 308 K
A proton moves through a magnetic field at 25.9% of the speed of light. what is the magnitude of the magnetic force acting on the proton
A bicyclist makes a trip that consists of three parts, each in thesame direction (due north) along a straight road. During the firstpart, she rides for 22 minutes at an average speed of 6.8 m/s.
A 3 kg block slides with a speed of 1.1 m/s on a frictionless horizontal surface until it encounters a spring. What initial speed should the block have to compress the spring by 1.2 cm
Two identical 10 g iron springs, except that one has been wound using work W, are dropped into equal volumes of 15M HC1 in two identical constant volume calorimeters, that are adiabatically insulated. The HC1 will dissolve iron springs. What differen..
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A metal ball of mass 0.22 kg with initial temperature of 95ºC is dropped into a container of 0.50 kg of water at 20ºC. what is the specific heat of the metal
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