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In a physics lab experiment, a student immersed 206 one-cent coins (each having a mass of 3.00g ) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.238kg of water at 20.0%u2218C in an insulated container of negligible mass.
PART A) What was the final temperature of the coins? [One-cent coins are made of a metal alloy - mostly zinc - with a specific heat capacity of 390 J/(kg%u22C5K).]
Water is pumped into a storage tank from a well delivering 19.0 gallons of water in 26.0 seconds through a pipe of 1.00 in.2 cross-sectional area. What is the average velocity of the water in the pipe as the water is pumped from the well?
Example of either positive freedom negative freedom (N). Indicate which each is by circling the Be able to explain your choice.
A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. calculate the work done on the bag by the conveyor belt
A rifle bullet is fired horizontally off the top of an ocean-based drill site. If the air resistance is negligible and the vertical distance to the water is 35 m, what additional information is needed to determine the time required for the bullet ..
One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, what was the decibel level on Rodriguez Island
The moving non-conducting belt of a Van de Graaff generator carries 10 µC of charge up to the metal sphere each second, What minimum power must be supplied to the generator to sustain its operation
A laser beam aimed from the earth is swept across the face of the moon. at what speed does the laser light move across the moon's surface
what is the total displacement of the jetliner between touchdown on the runway and coming to rest.
A wire is 1.50 m long and has a diameter of 1.50 mm. The tensile modulus of the wire is 6.20 x 1010 N/m2. what is the increase in length of the wire
which is basically a diskshaped grindstone of mass 1.2 kg and radius 7.30 cm which operates at 700 rev/min. When the power is shut off, you time the grindstone and find out it takes 39.0 s for it to stop rotating.
At what average rate does the force from the cable. A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 15 {rm m}/{rm s} as the hand is 2.0 {rm m} above the ground.
An object is placed two focal lengths from a diverging lens. What is the magnification and location of the image.
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