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A 0.240-kg piece of aluminum that has a temperature of -171 °Cis added to 1.5 kg of water that has a temperature of 1.5 °C. At equilibrium the temperature is 0 °C. Ignoring the containerand assuming that the heat exchanged with the surroundings isnegligible, determine the mass of water that has been frozen into ice.
consider a 50.0 g ice cube placed in a container containing 200 g of water. the water is initially at 25.0 c and the
You are standing at the rear end of a raft that is 6.0 m long. The raft has a uniform mass of 120 kg and is at rest on a lake. how far are you from the end of the pier
A 5.20 102 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. At what height above the surface of the earth does t..
A soccer ball is kicked from the ground with an initial speed of 20.1 m/s at an upward angle of 45.4?. What must be his average speed if he is to meet the ball just before it hits the ground
A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?
A 13.0 kg bucket of water of is suspendedby a rope wrapped around a pulley, which is just a solid cylinder0.300 m in diameter with mass 17.0 kg. The cylinder is pivoted on a frictionlessaxle through its center.
An automobile has a mass of 1840 kg and a velocity of 15.0 m/s. It makes a rear-end collision with a stationary car whose mass is 2110 kg. If the coefficient of kinetic friction between the wheels of the cars and the pavement is ?k = 0.565, determi..
A fixed inductance of 0.18 mH is used in series with a variable capacitor in the tuning section of a radio. What capacitance will tune the circuit to the signal from WSB which is broad casting at a frequency of 750 KHz?
Find out , the magnitude of the force each plate experiences due to the other plate as a function of , the potential drop across the capacitor.
A plane normally takes 10 hours to travel 5, 500 miles. One day significant headwinds slow the plane down, how long will the entire trip take
a billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. the mass of the ball is 0.38 kg.
an enemy ship is on the east side of a mountain island as shown in the figure. the enemy ship has maneuvered to within
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