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You are a blacksmith and have been working with 18.3 kg of steel. WHen you are finished shaping it, the steel is at a temperature of 202 degrees celsius. To cool it off, you drop it into a bucket containing 4.6 kg of water at 64 degrees celsius. How much of this water is converted to stem? Assume the steel, the water, and the steam all have the same final temperature (specific heat is 450 J/kg*degrees Celsius).
A crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate, What is the acceleration of the crate relative to the ground
Boiling Water at High Pressure. When water is boiled under a pressure of 2.00 atm, the heat of vaporization is 2.20 multiply.gif 106 J/kg, Compute the increase in internal energy of the water
Calculate the density of the liquid if an aluminum ball with mass of m1 = 4.10kg has an apparent mass of m2 = 1.90kg
Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table.
A race car is one lap behind the lead car when the lead car has 43 laps to go in a race. If the speed of the lead car is 54.2 m/s, what should be the average speed of the second car to catch the lead car just before the end of the race (i.e. right..
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.542, How much force is needed to keep the book moving at constant speed once it begins moving
A 3.0m length of straight wire carries a current of 16A in a uniform magnetic field of 50mT whose direction is at an angle of 36? , Find the force on the wire.
Two 1.5 V batteries connected in a series to a 5 ohm resistor produce a 0.7 A current Find the internal resistance of batteries
The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground.
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
An object explodes and breaks into 2 pieces. Piece 1 has twice the mass of piece 2. Which piece has more momentum
A 0.39 V potential di?erence is maintained across a 1.7 m length of tungsten wire that has a cross-sectional area of 0.85 mm2, What is the current in the wire
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