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An ice chest at a beach party contains 15 cans of soda at 3 ° C. Each can of soda has a mass of 0.38 kg and a specific heat capacity of 4000 J/(kg · C °). Someone adds a 6.2-kg watermelon at 25 ° C to the chest. The specific heat capacity of watermelon is nearly the same as that of water. Ignore the specific heat capacity of the chest and determine the final temperature T of the soda and watermelon.
An infinitely long line of charge has a linear charge density of 6.00×10?12C/m . A proton is at distance 14.5cm from the line, How close does the proton get to the line of charge
Show that the force between parallel wires carrying currents I1 and I2, both in the same direction, find the magnetic force on segment dI2 of wire 2.
A puck slides along the frictionless track shown in the figure with an initial speed of 7.40. Suppose the puck turns all corners smoothly, with no loss of speed.
The cross-sectional area of region A in the pipe is 1.05m^2, and the cross-sectional area of region B in the pipe is 0.740m^2. What is the speed of the water in region A of the pipe
A nurse measures the temperature of a patient to be 39.3°C. What is this temperature on the Fahrenheit scale
A football game begins with a kickoff in which the ball travels a horizontal distance of 45 yd and lands on the ground. what is the initial speed of the ball in this case
A 11.0 kg monkey starts to climb a long rope to reach a banana located at a height of 6.50 m, Calculate the least amount of time the monkey could take to reach the banana without breaking the rope
What is the approximate radius of Earth? Its mass is 6.0*10^24 kilograms and the acceleration due to gravity at its surface is 9.8 m/s2
Two charges are separated by some distance and the magnitude of the electric force between them is 224.6 Newtons. If the distance between the same two charges is tripled, what is the magnitude of the electric force on them now in Newtons?
A slug of mass 0.100 kg moving straight upward at 50.0 m/s collides with a 0.400 kg wooden block that is 20.0 cm long on a side, What is the loss of kinetic energy immediately before/after the hit
An important news announcement is trans- mitted by radio waves to people who are 122 km away, sitting next to their radios, and by sound waves to people sitting across the newsroom, 1.2 m from the newscaster. Take the speed of sound in air to be 345 ..
Because of air resistance a constant torque exerted on the system to keep it spinning at that rate. Assuming that the air exerts a miniscule force on the stick (but a significant force on the ball), identify the force the air exerts on the ball.
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