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Inthe figure below, the pulleys and the cord are massless, all surfaces are frictionless, and the cord does not compress or stretch.
(a) How does the acceleration of block 1 compare with the acceleration of block 2? Report your answer in terms of the ratio . Explain your reasoning.
(b) If the mass of block 1 is 2 kg and the mass of block 2 is 1.5 kg, find the acceleration of block 2.
The temperature coefficient of resistivity of iron is 5.0 x10 -3 /degrees C; that of carbon is -0.50 x10 -3 /degrees C. When an iron wire and a carbon rod, each having the same 10 Ω resistance a 20 degress C, are cooled from that temperature to -80 d..
A 3.0-V battery with an internal resistance of 2.5 Ω is connected to a lightbulb of a resistance of 6.0 Ω. How much electric power is wasted in the internal resistance
Water (? = 1.00E-3 Pa*s) is flowing through a horizontal pipe with a volume flow rate of 0.0149 m3/s. Calculate the radius of the horizontal pipe
What is the magnitude of the maximum possible acceleration for a car, when the coefficient of static friction is 0.87 and the coefficient of kinetic friction is 0.71
a disk with rotational inertia i rotates like a merry-go-round while undergoing a torque given by t 5 2t with t in n
Two traveling sinusoidal waves are described by the wave functions, What is the amplitude of the resultant wave, What is the frequency of the resultant wave
If a pitcher throws a baseball at 101 mi/h, how far would the ball fall vertically after traveling 66m horizontally
Sunlight is observed to focus at a point 18.5 cm behind alens. What is its power in diopters
You kick a block of mass 3.7 kg so that it slides to the right across the floor. A friction force of magnitude 11 N points towards the left, What is the value of the normal force exerted on the block
at the local grocery store you push a 15.0- shopping cart. you stop for a moment to add a bag of dog food to your cart.
A uniform rod of length L and mass M is nailed to a post so that two thirds of its length is below the nail. What is the period of small oscillations of the rod
Microwaves of wavelength 5.40 cm enter a long, narrow window in a building that is otherwise essentially opaque to the incoming waves. If the window is 34.5 cm wide, what is the distance from the central maximum to the first-order minimum along a wal..
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