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Q1. What will be the equilibrium temperature when a 223 g block of copper at 258 C is placed in the 178 g aluminium calorimeter cup containing 874 g of water at 13.2 C?
Q2. A car moves along an x axis through a distance of 800 m, starting at rest (at x = 0) and ending at rest (at x = 800 m). Through the first of that distance, its acceleration is +2.25 m/s2. During the next of that distance, its acceleration is -0.750 m/s2. What are (a) its travel time through the8 m and (b) its maximum speed? (c) Diagram position x, velocity v, and acceleration a versus time t for the trip.
250.0 gram industrial mold absorbs 5,575 calories of heat when it is filled with an alloy. If the specific heat of the mold is 0.275 calories per gram degree Celsius, explain by how much does its temperature rise?
When point charges q1 = +7.7 µC and q2 = +5.7 µC are brought near each other, Determine the distance between the charges
Consider two (very) long, cylindrical rods, both of radius R. Rod A has a cylindrically symmetric, positive, Find that electric field E(r) as well
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
When a battery is connected to the plates of a 2.00-µF capacitor, it stores a charge of 30.0 µC. What is the voltage of the battery
The muon is a subatomic particle with the same charge as an electron but with a mass that is 207 times greater: mmu=207me. Physicists think of muons as "heavy electrons."
A 6 m board of mass 7 kg is hinged at one end, with a 60 kg block nesting on the board 245 cm from the hings. A force ~F is applied vertically at the other end to lift of the board. Find the force exerted by the hinge
An electromagnetic wave travelling the +z direction has a maximum magnetic field of 10^-7 T in the negative y direction at z = 0 and t = 0. The magnetic field falls to zero in 3 x 10^-16 seconds.
A spherical shell has an outside radius of 2.55 cm and an inside radius of a. The shell wall has uniform thickness, What is this maximum mass
How much work is required to pull him 75 m up a 30° slope (assumed frictionless) at a constant speed of 2.1 m/s? Your response differs from the correct answer by more than 10%. Double check your calculations. Illustrate what power must a motor have t..
Billiard ball A of mass = 0.130 moving with speed = 2.80 strikes ball B, initially at rest, of mass = 0.150. Consequently of the collision, ball A is deflected off at an angle of 28.0 with the speed = 2.00.
Three capacitors with capacitances C1 = 2.9 nF, C2 = 3.1 nF, and C3 = 1.7 nF are wired to a battery with V = 14.3 V, What is the potential drop across capacitor 2
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