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The temperatures indoors and outdoors are 303 and 313 K, respectively. A Carnot air conditioner deposits 6.64 105 J of heat outdoors. How much heat is removed from the house?
Light from an argon laser strikes a diffraction grating that has 5345 grooves per centimeter. Determine the wavelength of the laser light
Consider a straight wire with a radius A, carrying a current I, Use Ampere's law to calculate the magnetic field around the wire as a function of r, the distance from the center
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial direction
A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. What is the total time the hare is moving
A bullet of mass 30 g collides completely inelastically with a ballistic pendulum of mass 2.5 kg. Calculate the velocity of the bullet right before it collides with the pendulum
A rectangle with a length L, and width L/2 has a surface charge density of 3.1mC/m^2. Determine the integral that would give you the electric field at a height h above the middle of the long edge.
Compute the rms speed of a nitrogen molecule at 12.0°C and At what temperature will the rms speed be half that value
For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg.
Two charges q1 = 6 µC, q2 = -49 µC, are L = 19 cm apart. A third charge is to be placed on the line between the two charges. How far from q1 should the third charge be placed so that the net electric force on the third charge is minimized?
A 0.700kg block is attached to a spring with spring constant 14.5N/m . While the block is sitting at rest, find The amplitude of the subsequent oscillations
A 75-kg person sits on a 3.7-kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair; assume the weight is evenly distributed.
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. With what speed did she reach the platform
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