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Which one of the following statements regarding internal energy isFALSE?
A) The internal energy of a system includes the translationalkinetic energy of the individual moleculesB) The internal energy of a system does NOT include the kineticenergy when the whole system moves.C) The internal energy includes rotational kinetic energy when thewhole system is rotating.D) The internal energy of a system includes potential energy dueto the interactions of atoms or molecules within the systemE) The internal energy of a system does NOT include the potentialenergy associated with an external field such as gravity.
Two grapes are given equal charges and held apart at a distance of 2.0 m. Find the magnitude of the charge on each grape
A rectangular fish tank measures 30 cm by 65 cm by 40 cm high. What is the total force of the water on the bottom
A uniform solid disk has a radius of R = 0.52 m and mass of M = 5.5 kg and is free to rotate about an axis through its center of mass. How many revolutions has the disk made at t = 8.2 seconds
The rms speed of a sample of gas is increased by 3 percent. What is the percent change in the temperature of the gas? What is the percent change in the pressure of the gas, assuming its volume is held constant?
A low-power laser used in a physics lab might have a power of 0.40 mW and a beam diameter of 2.6 mm. Calculate the average light intensity of the laser beam
Calculate the internal energy of one mole of helium gas at a temperature of 260K. Assume ideal gas behavior
What is the initial (horizontal) velocity of the ball.
A jet flying at 104 m/s banks to make a horizontal turn of radius 4000 m. The mass of the jet is 1.5 x 105. Calculate the magnitude of the necessary lift force
An object of mass 50.5 g is initially placed in boiling water so that it is at 101° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg. What is the dart's speed
question1a race car starts from rest on a circular track of radius 407 m. the cars speed increases at the constant rate
A cube of metal has a mass of .347 kg and measures 3.21 cm on each side. Determine the density of the cube in kg/m^3
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