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A battery with an emf of 11.1 Volt and internal resistance of 1.02 ohms carries a positive current of 0.550 Amp from its negative terminal to its positive terminal.
(a) Determine how long is required for 1.08 C of charge to pass through the battery?
(b) Determine by how much will the electrical potential energy of 1.08 C of charge increase in crossing the battery terminals?
(c) Determine by how much will the chemical energy decrease?
(d) Determine how much electrical power is supplied by the battery?
(e) Determine at what rate is chemical energy used?
A mass of 1.60 kg stretches a vertical spring 0.335 m. If the spring is stretched an additional 0.164 m and released, how long does it take to reach the (new) equilibrium position again.
you are designing a process to store pressurized argon gas a monatomic gas. you start with 4 moles of argon at a
a car travels at an average speed of 30 m/s for 5 km. if thecar traveled at 35 m/s for the first 3 km at what speed did it travel the last 2km
A ball of mass 7 kg is thrown straight up in the earth's gravitational field with an initial speed v0 = 16 m/s. What is the initial kinetic energy of the ball
A satellite of Mars, called Phobos, has an orbital radius of 9.4 106 m and a period of 2.8 104 s. Assuming the orbit is circular, determine the mass of Mars
A 44 kg woman in an elevator is accelerating upward at a rate of 1.0 m/s2. What is the net force acting upon the woman
The battery charger for an MP3 player contains a step-down transformer with a turns ratio of 1:25, What voltage does the secondary coil of the transformer provide
A balloon is filled with helium gas at 20.0 degrees Celsius at 1.0 atm (1 atm = 1.01 x 10^5 N/m^2). What is he heat flow into the gas
A solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. If the angular velocity of the disk is 4.27 rad/s at the bottom, what is the height of the inclined plane
Mars rotates on its axis once every 1.02 days (almost the same as Earth does). (a) Find the distance from Mars at which a satellite would remain in one spot over the Martian surface. (Use 6.42 1023 kg for the mass of Mars.) m (b) Find the speed of th..
How many drops of water are in all the oceans on earth. Assume that 1cm^3 contains 25 drops of water.
a marble column of a cross sectional area 1.5 m^2 suports a mass of 24000 kg, what is the stress within the ciolumn? N/m^2
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