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A 6.0 kg block of aluminum is heated from 20°C to 90°C at atmospheric pressure.
(a) Find the work done by the aluminum.
(b) Find the amount of energy transferred to it by heat.
(c) Find the increase in its internal energy.
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.89 × 10-14 J/m3
When a 14.4-V car battery delivers a current of 60.0 A, the power consumed on its internal resistance is 36.0 W, what is the internal resistance of the battery
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s. Find the components of the motorcycle's average acceleration during this process, aav,x and aav,y.
A ball is tossed from an upper story window of a building. Compute the height from which the ball is thrown.
An object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x-direction when its x-coordinate is 3.18 cm. If its x-coordinate 2.95 s later is ?5.00 cm, what is its acceleration?
An insulating rod of length 14.0 cm is bent into the shape of a semicircle and has a uniform total charge of -7.5 uC, Calculate the magnitude and direction of the electric field at the center of the semicircle arc
If the gas in a container absorbs 293 J of heat, has 106 J of work completed on it and after that does 35 J of work, what is the enhancement in the internal energy of the gas.
A projectile is launched straight up at 59 m/s from a height of 73 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below.
A high-frequency photon is scattered off of an electron and experiences a change of wavelength of 8.0×10-4 .At what angle should a detector be placed to detect scattered photon (relative to the direction of the incoming photon).
A diving board oscillates with simple harmonic motion of frequency 3.36 cycles per second, What is the maximum amplitude with which the end of the board can vibrate in order that the pebble placed there not lose contact with the board during oscillat..
Vi = 10-3 m3 chamber of a gas bottle contains some argon gas (atomic weight = 0.040 kg/mole) at a pressure of 104 Pa and a temperature of 22° C. Illustrate what is the number density of atoms in this chamber?
Two identical point charges are fixed at opposite corners of a square whose sides have a length of A test charge, Determine the speed of the test charge when it reaches the center of the square
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