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Problem: A 0.4 kg block of iron, with a specific heat of 448 j/(kgK),is initially at 500 degrees Celsius. The iron block is then dropped into 20 kg of water with a specific heat of 4186J/(kgK) and a temperature of 22 degrees Celsius.
Part A: What is the final equilibrium temperature of the block and water?
Please show all steps to determine the final equilibrium temperature of the block and water.
Suppose a small 100 g piece of metal were to break loose from the surface of the piston, when it (the piston) is at the lowest point (z = 5.0 cm and v = 0). What is the velocity (m/s) of the metal piece when it loses contact with the piston
If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact?
Explain the difference between a fluorescence emission spectrum and a fluorescence excitation spectrum and Which more closely resembles an absorption spectrum? Why do some absorbing compounds fluoresce but others do not?
In a primary coil the current is initially 3.4 A. After a time of 0.14s, the current will change to 1.6A. What is the mutual inductance of the coils
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. m/s upward (b) Find the height it reaches.
At what speed (m/s) would a 1140-kg car have the same momentum as a 12,600-kg truck traveling at17.8km/hr,What is the car's change in momentum
A 0.840-kg block oscillates on the end of a spring whose spring constant is k= 42.0 N/m. What is the fractional decrease in amplitude per cycle
a company wishes to put two - 500 kg satellites in earth orbit. one satellite will be at an orbit altitude of 1000 km, how much more energy is required for the geosynchronous orbit than for the 1000 km altitude orbit
A 9960 lb rocket is launched straight up, starting at rest. The thrust force pushing the rocket upward is 20000 lb. Air resistance exerts a force of 4000 lb (assumed constant). Think the point at which the rocket is 5.0 miles up.
A converging lens with a focal length of 13.7 cm and a diverging lens are placed 24.0 cm apart, with the converging lens on the left. What is the height of the final image
the four particles form a square of edge length a = 4.50 cm and have charges q1 = +25.0 nC, q2 = -50.0 nC, What net electric field do the particles produce at the square's center
A spring has a length of 0.230 meter when a 0.300 kilogram mass hangs from it, and a length of 0.750 meter when a 1.80 kilogram mass hangs from it. Calculate the unloaded length of the spring
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