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a) The rms speed of molecules in a gas at 35.0°C is to be increased by 1.8%. To what temperature should it be raised?
b) What is the rms speed of nitrogen molecules contained in an 8.8 m3 volume at 1.4 atm if the total amount of nitrogen is 1300 mol?
c) (i) Compute the rms speed of a nitrogen molecule at0°C
(ii) Decide how many times per second it would move back and forth across a 7.4 m long room on the average, assuming it made very few collisions with other molecules.
Suppose you have to move a heavy crate of weight 875 N by sliding it along a horizontal concrete floor. What is the magnitude Fp of the minimum force you need to exert on the crate to make it start sliding along the floor
A certain commercial mass spectrometer is used to separate uranium ions of mass 3.92e-25 kg and charge 3.20e-19 C from related species. calculate the thermal energy produced in the cup
suppose the insulating qualities of the wall of a house come mainly from a 4.0 inch layer of brick and an r-19 layer of
A circular coil with N turns and radius = 0.05 m is rotating in a uniform magnetic field of 0.5 T. At t = 0 s, How many turns does the coil have
josie and charlotte push a 12 kg bag of playground sand for a sandbox on a frictionless horizontal wet polyvinyl
A force of 7 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length.
Jamal pulls a 200N sled up a 28° slope at a constant speed by a force of 100N. Near the top of the hill he releases the sled, With what acceleration does the sled go down the slope
A block with mass m = 4.6 kg is attached to two springs with spring constants kleft = 37 N/m and kright = 51 N/m. What is the effective spring constant of the two springs
What is the period of revolution? please give me answer and units to both questions. dont just give me equation
in a simple model of the hydrogen atom, the electron moves in a circular orbit of radius 0.053 nm around a stationary proton. How many revolutions per second does the electron make
q1. a potential difference of 87 mv exists between the inner and outer surfaces of a cell membrane. the inner surface
A compact disk player has just been turned off. A disk deceleratesuniformly from an initial angular velocity of 7.55 rev/s. The disk rotates through 6.00 revolutions before coming to rest. What is thetangential acceleration of a point on the disk 4.6..
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