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You have been given 1.752 g of copper from which you are to fashion a wire whose resistance is 2.519 ohms. The density of copper is 8900 kg/m^3 and the resistivity of copper is 1.7x10^-8 ohm m. What will be the density of the wire you fashion?
A uniform rod of mass 3.05×10?2kg and length 0.450m rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. What is the angular speed of the rod after the rings leave it?
A Carnot heat engine has a thermal efficiency of 0.510, and the temperature of its hot reservoir is 700 K. what is the work output of the engine during one cycle
A 0.120-kg, 50.0-cm-long uniform bar has a small 0.055-kg mass glued to its left end and a small 0.110-kg mass glued to the other end. How far from the left end should the fulcrum be placed
4. A ball is kicked toward a fence from a point 32 meters away. The velocity of the ball as it leaves the kicker's foot is 24 m/s at an angle of 37 degrees above the horizontal. The top of the fence is 2.0 meters high. Assuming air resistan..
A motorcycle accelerates uniformly from rest and reaches a linear speed of 21.3 m/s in a time of 9.60 s. find the magnitude of the angular acceleration of each tire
Compute the momentum of the bullet
Illustrate what diameter has tip of the hour hand with 100 mil/hr tangential speed? If a 10 inch wide top is spinning at 300 RPM, what is the tangential speed at the widest part?
q1. a parallel-plate capacitor is formed from two 2.0 rm cm times 2.0 rm cm electrodes spaced 5.0 rm mm apart. the
A student doing an experiment pours 0.160kg of heated copper shot into a 0.355-kg aluminum calorimeter cup containing 0.240kg of water. What was the initial temperature of the shot
A coil that is circular has a radius of 8 cm and has 400 turns it is on a table horizontally, What is the total EMF in the coil as a function of time and in which direction does the current flow
Mercury flows through a horizontal pipe 0.80 cm in diameter and 0.5 m long. what is the rate of flow through the tube
A long straight wire carries a current of 6.2 A. The wire is horizontal in the plane of the page (screen) and the current is traveling to the left. Calculate the force that acts on the electron
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