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Consider an organ pipe 2.1 m long that is closed at one end and open at the other. What is the fundamental frequency of the pipe?
Hz
q1. an airplane is flying with a velocity of 92.0 ms at an angle of 23.0circ above the horizontal. when the plane is a
When 3880 J of heat are added to a 0.159-m-long silver bar, its length increases by 4.31 x 10-3 m. What is the mass of the bar
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.8 s after being hit, How high is the fence
Suppose a car accelerates from rest, speeding up at a rate of +2.5m/s^2 while traveling a distance of 79 meters. How much time did it take the car to travel its TOTAL distance
A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope. What is the half-life of the radioisotope
The drawing illustrates the dispersion of light by a prism. The prism is made from a certain type of glass, Find the angles of refraction at which the violet rays emerge into the air from the prism
The electric field component of a sinusoidal electromagnetic wave traveling through a plastic cylinder is given by the equation E = (5.35(V/m))cos[(1.39x10^7 (rad/m))x-(3.02x10^15(rad/s))t]
A trough is 5 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=1 to x=1. The trough is full of water. Find out the amount of work in foot-pounds required to empty the t..
A galvanometer with a coil resistance of 11.0 and the full-scale current of 0.150 mA is used with a shunt resistor to make an ammeter. The ammeter registers the maximum current of 4.00 mA. Find the equivalent resistance of the ammeter.
A woman who is late in her pregnancy often leans backwards slightly when getting out of chairs and even while walking. Why is the backpack helpful
A passenger on a Ferris wheel moves in a vertical circle of radius R=2.0 m with a constant speed v. Draw a free-body diagram, and find the upward force the seat applied to her at the top of the circle
A copper rod is fastened securely at both ends to immovable supports. What is the magnitude |?T| of the change in temperature of the rod when it ruptures
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