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Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ice at . You are asked to find the final temperature of the system, but you are not told what the final phase of the system in equilibrium is. Find the amount of heat it would take to bring all of the ice to its melting point, 0 C.
A camera's flash uses the energy stored in a 270µF capacitor charged to 170V. The current in the charging circuit is not to exceed 23mA. What's the resistance in the charging circuit
A single conservative force acts on a 5.30-kg particle within a system due to its interaction with the rest of the system, calculate the work done by this force on the particle
A uniform electric field exists in the region between two oppositely charged plane parallel plates, find speed of electron when it strikes second plate
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
Assume that you need to get a heavy couch into the bed of a pickup truck. You know the bed of the truck is at the height of 1.00 and you require a ramp that makes an angle of 40 with the ground if you are to be able to push the couch.
explain the magnitude of the centripetal acceleration. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
An 8-g bullet is fired into a 170 g block that is initially at rest at the edge of a table of 1m height. The bullet remains in the block, and after the impact the block lands d = 2.10 m from the bottom of the table. Determine out the initial speed..
A copper rod 25 cm long having a cross-sectional area of 7.5 cm2 is used to connect a boiler maintained at 100 oC to a large block of ice at 0 oC. What is the rate of change in entropy of the ice
From colonial times through the 1960s, the primary mode of mental illness treatment was institutional. What factors were responsible for this shift
A humanitarian aid package is dropped from a plane flying horizontally 500m above the ground with a speed 100m/s. What is the speed of the package at time of impact? (Calculate the total speed, not a horizontal or vertical projection.)
The coefficients of friction for plastic on wood are μs = 0.50 and μk = 0.40. How much horizontal force would you want to apply to a 4.0-lb plastic calculator to start it moving from rest.
A 1.6-rm MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats.
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