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A standing wave on a 1.70 m long horizontal string displays three loops when the string vibrates at 125 Hz. The maximum swing of the string (top to bottom) at the center of each loop is 12.0 cm.
(a) What is the function describing the standing wave?
(b) What are the functions describing the two equal-amplitude waves traveling in opposite directions that make up the standing wave?
Determine the dimentions (in cm) of a rectangular aluminum block (also 40 cm long) that would have the same resistance between the farthest opposing sides as the silver block (part a)
A 4.79 crate is suspended from the end of a short vertical rope of negligible mass. An upward force is applied to the end of rope, and the height of the crate above its initial position is given by + (0.61) what is the magnitude of the force when ..
Find the distance from the positive plate
Illustrate what is the magnitude of the net gravitational force on the mass at the origin due to the other two masses?
What is the amount of the normal force on the charge on the surface in Newtons, when including both the weight of the object and the electric force on it?
A car is moving down a street at 53 km/h. A child all of a sudden runs into the street. If it takes the driver 0.74s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). If you are driving this car in Europe and want to compare its mileage with that of other European cars, express this mileage in km/l (liter).
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
The brick wall of a building has dimensions of by and is thick. How much heat ?ows through the wall a period when the average inside and outside temperatures are, in that order.
How numerous revolutionsthe wheel have made through the time
directed into the plane of the computer screen as shown in the figure. Identify the magnitude and direction of the resultant magnetic field at P.
A string vibrates in five segments to a frequency of 460Hz. (a) what is its fundamental frequency? (b) What frequency will cause it to vibrate in three segments.
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