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1.) Imagine you have 1.00 kg each of iron, glass, and water and that all three samples are at 10 C. a.)Rank them from lowest to highest temperature after 100J of energy (Q) is added to each. b.) Rank them from lowest to greatest amount of energy transfer by heat if each increases in temperature by 20 Degree C. (hint: specific heat, c, of iron:448 J/KG.C, of glass:837J/Kg.C, of water: 4186 J/Kg.C) 2) The temperature of a 0.0500 kg ingot of metal is raised to 200C and the ingot is dropped into a light, insulated beaker containing 0.400 kg of water initially at 20 C. If the final equilibrium temperature of the mixed system is 22.4 C , find the specific heat of the metal. (hint: and c of water : 4186 J/Kg.C.) 3) Consider an ideal gas under compression. If as the gas is compressed volume decreases, what happens to pressure and temperature. Explain and show the equation as discussed in lab.
You drive north on a highway, then, without changingspeed, you round a curve and drive east. What is the changer of your velocity and your acceleration
A 540 N physics student stands on a bathroom scale in an 850-kg (including the student) elevator that is supported by a cable. Find the acceleration of the elevator
Megan's mass is 28kg. She climbs the 4.8m ladder of a slide and reaches a velocity of 3.2m/s at the bottom of the slide. How much work was done by friction on Megan? Assume that air resistance is negligible.
determine the required force of p that must be applied at the blade of the pruning shears so that the blade exerts a
A 60kg woman balances on the heel of her right shoe, whosearea is 0.5cm2. How many times atmospheric pressure is this
A 0.870 kilogram object is attached to a rope that is wrapped around a frictionless pulley. find what will its speed be after it falls 0.120 m
To make a bounce pass, a player throws a 0.50 kilogram basketball toward the ground. If the ball rebounds with the equivalent speed and angle, find what was the impulse delivered to it by the ground
A cup of coffee is sitttinf ona table in an airplane that isflaying at a constant velocity and altidude. What is the maximum acceleration that the plane can have without the cup sliding backward on the table
a battleship simultaneously fires two shells toward two identical enemy ships. one shell hits ship a which is close by
The tires of a car make 86 revolutions as the car reduces its speed uniformly from 88.0 km/h to 60.0 km/h. How far does the car go? Find the total distance
A charge q at the origin is at the back corner of an imaginary cube of edge length a. What is the electric flux through the shaded region? Use direct integration
Two trains and a bird Two trains, each having a speed of 23km/h, are headed at each other on the equal straight track. A bird that can fly 60km/h flies off the front of one train when they are 70 km apart and heads directly for the other train.
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