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Equal amounts of heat are added to equal masses of iron andsilver at the same initial temperature.
a. Which metal will have the higher final temperature?b. How many times greater will that temperature change be thanthe temperature change of the other metal?-----times greater
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. How much heat is released by the water when it freezes
Suppose the charge of one is increased by twenty seven times while the charge of the other is reduced to one-third its initial value. What would their separation distance have to be changed to in order to keep the force between them the same?
At t = 0, a particle leaves the origin with a velocity of 12 m/s in the positive x direction and moves in the xy plane with a constant acceleration of (-2.0i+4j) . At the instant the y coordinate of the particle is 18 m, illustrate what is the x ..
q1. a battery having an emf of 11.10 v delivers 102 ma when connected to a 61.0 load. find out the internal resistance
In an aortic aneurysm, a bulge forms where the walls of the aortaare weakened. If blood flowing through the aorta (radius 1.0 cm)enters an aneurysm with a radius of 3.0 cm, how much on average is the blood pressure higher inside the aneurysm than ..
A weight of unknown mass is suspended from a steel wire that is 1.27 m long and has a diameter of 0.56 mm; Find the mass of the weight
How much higher would the ball have gone in a vacuum. The time constant of an RC circuit is 4.8 s. How much time t is needed for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
Three resistors are connected to a in series with a 19 V ideal battery, What is the current coming out of the battery
q1. a 2.00 kg metal block slides on a rough horizontal surface inside an insulated pipe. after sliding a distance of
Two spheres with uniform surface charge density, first with a radius of 7.0cm and the second with a radius of 4.8cm , What is the surface charge density on the first sphere
A man stands on the roof of a building of height 16.8m and throws a rock with a velocity of magnitude 31.8m/s, Calculate the magnitude of the velocity of the rock just before it strikes the ground
A straight ladder is leaning against the wall of a house. Theladder has rails 4.40 m long,joined by rungs 4.500 m long. What should be the thicknessof the flat rock
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