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If the volume of an ideal gas is held constant, what happens to the pressure if the absolute temperature is cut in half?
a. The pressure drops to one-third its original value.
b. The pressure increases to one-half its original value.
c. The pressure drops to one-half its original value.
d. The pressure increases to one-third its original value.
A string with linear density 2g/m is stretched along the positive x-axis with tension 20 N. One end of the string, at x = 0, is tied to a hook that oscillates up and down at a frequency of 100 Hz with a maximum displacement of 1.0 mm. At t = 0s, t..
A generator uses a coil that has 330 turns and a 0.34-T magnetic field. determine the length of the wire from which the coil is made
A box of mass m = 2.5 kg moves along a straight line through a vector displacement d = (6.4 i -3.4 j) m. What is the work done by this force as the box moves
A wheel is rotating freely with an angular speed of 20 rad/s on a shaft whose moment of inertia is negligible. Calculate the angular speed of the coupled wheels
A 50 g horizontal copper rod has a length of 1.0 m. Calculate the minimum current in the rod so that it will float in a horizontal magnetic field of 2.0 T
Starting from rest, a basketball rolls from the top to the bottom of a hill, reaching a translational speed of 7.5 m/s. Ignore frictional losses. (a) What is the height of the hill? (b) Released from rest at the same height, a can of frozen juice rol..
it accelerates with a constnat acceleration of 2.00 m/s^2 until its engines stop at an attitude of 200 m. the rocket continues move in free fall until its reaches the ground. Illustrate what is the total time the rocket is in the air?
If a transformer steps the voltage down from 8800 V (at the pole) to 120 V (at the building) and it is to deliver 1000 kW to the building at 80% efficiency, what is the ratio of primary turns to secondary turns
A spherical water drop, 1.20 ?m in diameter, is suspended in calm air owing to a downward-directed atmospheric electric field E = 432 N/C. What is the weight of the drop
two blocks are connected over a pulley. The mass of block A is 7.9 kg and the coefficient of kinetic friction between A and the incline is 0.24. What is the mass of block B
A conducting rectangular loop of mass M, resistance R, and dimensions w by l falls from rest into a magnetic field. All through the time interval before the top edge of the loop reaches the field, the loop approaches a terminal speed vT.
A 35.0 cm violin string with linear density 0.66 g/m is placed near a loudspeaker that is fed by an audio-oscillator of variable frequency. What is the tension (in newtons) in the string
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