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Methane (CH4) flows along a pipeline with a speed of 1.1 m/s at a pressure of 2 106 Pa and temperature of 17 ?C. How many kilograms of this gas will flow in an hour through this pipeline if its cross sectional area is 6 cm2?
In tae-kwon-do, a hand is slammed down onto a target at a speed of 13 m/s and comes to a stop during the 7.0 ms collision. What are the magnitudes of the impulse
A Goodyear blimp typically contains 5980 m3 ofhelium (He) at an absolute pressure of 1.10 x 105 Pa. What is the mass (in kg) ofthe helium in the blimp
spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 5.53 Hz
The average human can only sustain an acceleration of 5g for a few seconds before passing out. How many revolutions per minute should the cylinder rotate
The coefficient of static friction between the wall and the rod is μs = 0.575. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point A.
In an engine, a piston oscillates with simple harmonic motion so that its position varies according to the following expression, Find the period and amplitude of the motion
The writing on the passenger-side mirror of your car says "Warning! Objects are closer than they appear." There is no such warning on the driver's mirror. How far are you from the image of the cyclist
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 7.1 m/s in 1.7 s. determine the distance he runs
An AC voltage of rms value 413 V and frequency 75 Hz is connected across a light bulb with a resistance of 471 ohms. What is the rms current and maximum current
A movie camera with a (single) lens of focallength 75 mm takes a picture ofa person standing 34 m away. what is the height of the image of the person on the film
A small object is placed to the left of a convex lens and on it's optical axis. The object is 30 cm from the lens and has a focal length of 12 cm. Describe the nature of this image
Waves from a radio station have a wavelength of 308 m. They travel by two paths to a home receiver 77.0 km from the transmitter. What is the minimum distance from the mountain to the receiver
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