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Very fine smoke particles are suspended in air. The translational rms speed of a smoke particle is 2.8 x 10-3 m/s, and the temperature is 301 K. Find the mass of a particle.
A ball is kicked horizontally of the roof of a 100-ft high building at a speed of 18 ft/sec. Determine the angle in which the ball hits the ground
In a certain particle accelerator, protons travel around a circular path of diameter D in an evacuated chamber, What is the mean free path of the gas molecules
The differential gear of a car axle allows the wheel on the left side of a car to rotate at a different angular speed than the wheel on the right side. What is the difference between the angular speeds of the wheels on the left and right sides of t..
neglect the initial speed of the roller coaster. A neautral water molecule in its vapor state has an electric dipole moment of magnitude 6.2x10^-30 C.m. How far apart are molecule's center of positive and negative charge.
An object moves with constant acceleration 4.35 m/s2 and over a time interval reaches a final velocity of 11.0 m/s. What is the distance it travels during this interval
A guitar string is 92 cm long and has a mass of 3.8 g. From the bridge to the support post (= L) is 63 cm, What are the frequencies of the fundamental and first two overtones
Write a complete set of equations from Kirchhoffs for the circuit -
A particle moves in simple harmonic motion with a frequency of 2.60 Hz and an amplitude of 6.00 cm. Through what total distance does the particle move during one cycle of its motion
A puck on a frictionless, horizontal air table is attached to a string that passes down through a hole in the table. what is the new speed of the puck
The Royal Gorge bridge over the Arkansas River is 360 m above the river. A bungee jumper of mass 93 kg has an elastic cord of length 85 m attached to her feet. Find the maximum speed of the jumper
A flat coil of wire has an area A, N turns, and a resistance R. It is situated in a magnetic field, such that the normal to the coil is parallel to the magnetic field. The coil is then rotated through an angle of 90?, so that the normal becomes pe..
The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. How much time would elapse on a clock on the Earth
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