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Assume you mount your sound equipment from above on your car. If you are travelling along the road at a constant speed of 48 miles per hour towards an approaching car. If the return signal from the car has the same frequency increase of .224 Khz, Estimate what is the speed of the car.
In what direction should the pilot travel in this direct flight. Find out the distance she walks.
to measure the mass of an object, the object and a fixed 1.00 kg mass are held at rest on a frictionless surface with a llight spring under compression between the two objects. what is the mass of the object
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radialpositions of two points, 0.849 m apart, such that the intensitylevel at one point is 2.48 dB greater than that at the other.
A house is 30.0 ft long and 32 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
A charge of -8.0 nC is uniformly distributed around a ring of radius 1.3 m that lies in the yz plane with its center at the origin. Calculate the work done in moving the point charge to the origin
A 12.5-kg block of ice has a temperature of -18.4 °C. The pressure is one atmosphere. The block absorbs 7.62 x 106J of heat. What is the final temperature in degrees Celsius of the liquid water?
a resistor is known to obey ohms law. when there is a current of 1.72 a in the resistor it has a voltage drop across
light of wavelength 657.9 nm is emitted by a star. the wavelength of this light as measured on earth is 659.3 nm.a. how
Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 4.50x10^2 Hz. An observer is in front of the speakers (to the right) at point O.
A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of the circle with a radius of 3.80 m.
The earth orbits the sun once a year (3.16 x 10^7 s) in a nearlycircular orbit of radius 1.50 x 10^11 m. With respect to the sun,determine the magnitude of the earth’s centripetal acceleration.
A person is running at 7 m/s with her hands outstreched abover her head (1.95m from feet to finger tips) she runs exactly horizontally off the edge of a chasm and attempts to grab onto opposite side.
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