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An unknown mass of tin is heated to a temperature of 222 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. The system reaches an equilibrium temperature of 26 C.
(a) How much heat is gained by the cup and the water?
_____ J
(b) What is the heat lost by the sample of tin?
(c) What is the mass of the tin sample?
_____ g
A diverging lens with a focal length of -14 cm is placed 10 cm to the right of a converging lens with a focal length of 18 cm. Where will the final image be located
A 15.0kg bucket of water is suspended by a rope of negligible weight that is wrapped around a solid cylinder 0.300m in diameter, What is the tension in the rope while the bucket is falling
An ideal gas in a container is at a temperature of 70.6°C. What is the average translational kinetic energy of a gas molecule in the container
Your Industry has just developed a new sports drink that is in a container which will keep it cool for up to 6 hours. Develop a marketing plan for this product and then write a 3 page paper describing how you would market the product.
A particle of mass m is attracted to a force center with force of magnitude k/r2. Use plane ploar coordinates and find Hamilton's equations of motion.
Determine the number of moles of helium in the balloon and Determine the mass of helium needed to inflate the balloon to these values
How much time after engine failure will elapse before the rocket comes crashing down to the launch pad?
A sled weighing 189N rests on a 15° incline, held in place by static friction. The coefficient of static friction is 0.50.
On a workday the average decibel level of a busy street is 80 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 45 every minute on a weekend, what is the decibel level of the street.
In a ballistics test, a 22.0g bullet traveling horizontally at 1300m/s goes through a 30.0cm -thick 350kg stationary target and emerges with a speed of 900m/s, How long is the bullet in the target
What is the fundamental resonant frequency of the air column if the velocity of sound in the air is 340 m/s.
A student decides to move the box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 168 N at an angle of 30.0° above the horizontal. The box has a mass of 21.0 kg, and the coefficient of kinetic f..
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