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A 200.0-kg object is attached via an ideal pulley system to paddle wheels that are submerged in 0.480 kg of glycerin at 20.0 °C in an insulated container as shown. Then, the object falls through a distance of 5.00 m causing the paddle wheel to turn. Assuming all of the mechanical energy lost by the falling object goes into the water, determine the final temperature of the glycerin. The specific heat capacity of glycerin is 2410 J/ C).
An ice skater has a moment of inertia of 2.3kg*m^2 , when his arms are tucked in close to his chest
A woman can read the large print in a newspaper only when it is at a distance of 66 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
A 3000 kg truck is heading east at 80 mph. A 1000 kg car is heading north at 40 mph. They collide and stick togther. What is the velocity and direction of the car/truck
At the end of the first fiscal year, $3,000,000 has been spent on the project. $1,500,000 has been collected from the grantor. Explain how should the grantee's Enterprise Fund statement of cash flows report the cash inflows?
Calculate the mass of a solid gold rectanglar bar that has dimensions lwh = 4.20 cm x 12.0 cm x 30.0 cm. (the density of gold is 19.3x10^3 kg/m^3.)
A block of mass m1 = 4.00 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, What is the magnitude of the tension in the cord
A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.
Suppose that the sound level of a conversation is initially at an angry 72 dB and then drops to a soothing 50 dB. determine the initial and final sound intensities
An ideal gas has a pressure of 2.0 atm and temperature 27 degrees celcius. what is the volume of this gas
A parallel plate capacitor has square plates with sides of length 14 cm. The distance between the plates is 2 mm. How much energy is stored in the capacitor now
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
The ends of a 20cm long, 2.0cm diameter are maintained at 0°C and 100°C, What material is the rod made of
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