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A mosquito flaps its wings 650 vibrations per second, which produces the annoying 650 Hz buzz. The speed of sound is 340 m/s. How far does the sound travel among wing beats? In other words, find the wavelength of the mosquito's sound.
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given (1.8xe11 meters, 2.9xe11 meters) with a velocity given (-9.7xe3 m/s, -6.8xe3 m/s). What will be the magnitude of the as..
Two converging lenses, each of focal length 14.5 cm, are placed 39.1 cm apart, and an object is placed 29.2 cm in front of the first. What is the magnifcation of the system
A man throws a grenade from a car that is travelling at 90km/hr and wishes to throw it into a car heading in the same direction at 110km/hr
a circular metal plate of radius 0.2m has 1010 excess electrons uniformly distributed over its surfaces. what is the
What is the maximum volume that 3 kg of Oxygen at 950 kPa and 373 C can be adiabatically expanded to in a piston-cylinder device if the final pressure is to be 100 kPA?
A circuit consists of a battery with a closed circuit, a terminal voltage of 12.0 V, and 1.0-?, 2.5-?, 5.0-?, and 7.5-? resistors connected in series, oriented as in figure a above, Calculate the total power dissipated by the load resistors
A 9.4 resistor and a 6.3 resistor are connected in series with a power supply. Find the voltage output of the power supply
a typical sedan ( like corolla Toyota) has unloaded mass of 1.2x10^3 kg. Determine the effective spring constant "k" for the suspension system for critical damping
A steel ball (density = 7860kg/m^3) with a diameter of 6.8 cm is tied to an aluminum wire 88 cm long and 2.0 mm in diameter. Find the amount of stretch in the wire at the top of the circle
A gremlin is a tiny mythical creature often blamed for mechanical failures. Suppose for a moment that a shrewd physicist catches one such gremlin and makes it work for her instead of against her.
A 600 Hz sound wave travels through a gas. If the wavelength of the sound is 0.4 m, what is the speed of sound in the gas
a convex lens is held over a piece of paper outdoors on a sunny day. when the paper is held 21 below the lens the
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