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Q1. An auditorium has dimensions 10.0 m 32.0 m 36.0 m. How many molecules of air fill the auditorium at 190.0°C and a pressure of 101 kPa (1.00 atm)?
Q2. A 10.0 mu F capacitor initially charged to 430.0 mu C is discharged through a 2.20 k Omega resistor. How long does it take to reduce the capacitor's charge to 5.00 mu C?
Q3. A farsighted man uses eyeglasses with a refractive power of 1.75 diopters. Wearing the glasses 0.02 m from his eyes, he is able to read books held no closer than 0.28 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters?
Consider the motion of a muon as it moves through the Earth's atmosphere. After a time ? = 2.20 e-6 s, it decays into other particles. What is the speed of the muon
Three forces in the x-y plane act on a 5.5 kg mass: 10.3 N directed at 37°, 12.2 N directed at 128 °, and 4.1 N directed at 201° . Calculate the direction of the resultant force
The energy for the 5s valence electron in rubidium (Z=37) has energy ?4.18 electron volts. What is the effective nuclear charge Zeff experienced
A circle of rope of total mass 1kg and radius 1m is spinning at angular velocity 2.5 rad/sec about an axis through the center of the circle
A proton and an electron are fixed in space with a separation of 911 nm. Calculate the electric potential at the midpoint between the two particles, Find the potential and the magnitude of the force.
Two blocks, one of 50 g and the other of 46 g, are connected by a string and hung over a frictionless pulley which has a radius of 5 cm. What is the moment of inertia of the pulley
A double slit with d= 0.02 mm is illuminated by a blue laser at 450 nm and a red laser at 650 nm, what is the distance separating the blue and red fringe
Compute the mean and maximum velocities for a liquid with a flow rate of 20 L/min in a 1.5-in nominal diameter sanitary pipeline
What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
Light of wavelength 659.4 nm is emitted by a star. The wavelength of this light as measured on Earth is 661.4 nm. How fast is the star moving with respect to Earth
You find an unlabeled box of fine needles, and want to determine how thick they are. What is the diameter of the needle
A gasoline engine in a large car takes in 10,500J of heat and delivers 2450J of mechanical work per heat cycle. How much gasoline is burned during each cycle
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