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The pressure in a water pipe in the basement of an apartment house is 4.10x10^5 Pa, determine the height between the basement and the seventh floor
An oxygen molecule has a vibrational mode that behaves approximately like a simple harmonic oscillator with frequency 2.99 X 10^14 rad/s. Calculate the energy of the ground state
If it takes 2.25 minutes to heat water in a 250 gm copper kettle from 20 °C to 85 °C, using a 700 W burner, how much water must be in the kettle
planet zero has a mass of 5.0 x 10 ^23 kg and a radius of 2.0 x 10 ^6 m. What is the speed of the probe when it is 3.0 x 10^ 6 m from zeros center
Find the probability that B beats A, that is, that the number that appears on die B is greater than the number on die A.
A rock is thrown off a bridge of height 75m. at an angle theta=25 degrees with respect to the horizontal. The initial speed of the rock is 15 m/s. compute the maximum height reached by the rock?
The blades on a lawn mower require 5 revolutions to turn at a rate of 60 revs/sec. determine the angular acceleration of the blades
If it takes 9.19e5 J of heat to bring 0.30 kg of ice at -17*C to water vapor at 108*C, what is the specific heat of the water vapor
You may have noticed a type of track lighting in museums or stores with modern decor called "cable track lighting." Bare power supply wires, What is the force between the long wires
A police car is moving at 38m/sec to catchup with a speeder directly ahead. The speed limit is 29.1 m/sec. How fast is speeder going
Water is being pumped through a horizontal pipe that is 37.8 m long and 14.5 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe
A point source of light illuminates an aperture 2.00m away. How wide is the aperture
The bright core of a certain Seyfert galazy had a luminosity of 10^10 L. The luminosity increased by 100% in a period of 18 months. How does this compre to the diameter of the Milky Way
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
The Corvettte engine has a power output of 435hp. Its thermal efficiency is 27%. How much heat must be supplied to the engine per second
What is the critical angle for light to stay inside a thin glass rod (n = 1.72) surrounded by air
Light is refracted through diamond from air. If the angle of incidence is 30 °, what is the speed of light in diamond
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
If i have a hollow copper sphere that has an outer diameter of 20.00 cm that is floating so that everything is just submerged in a bucket of water
A body of mass 5.0 kg is suspended by a spring, which stretches 10 cm when the mass is attached. What is its position as a function of time
A beam of light travels through the air and is incident on a piece of glass with an index of refraction of 1.70
An automobile radiator is filled to the brim with 45 liters of glycerin coolant at 10 degrees C. How much glycerin overflows from the radiator as a result of expansion
At 100 °C the rms speed of nitrogen molecules is 576 m/s. Estimate the rate of molecular collisions (collisions/s) on this wall
Two pulse of light (red and blue) enter a huge block of glass at the same time. What is the index of refraction for the blue light in the glass
Review Conceptual Example 7 as background for this problem. Determine the magnitude of the momentum of each photon