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A friend of yours is loudly singing a single note at 380Hz while racing toward you at 26.5m/s on a day when the speed of sound is 346m/s .
What frequency do you hear?
What frequency does your friend hear if you suddenly start singing at 380Hz?
A ball is thrown vertically upward with a speed of 1.63m/s from a point 4.21m above the ground. What is the time at which it will reach the ground.
A refracting telescope has an angular magnification of -92.00. The length of the barrel is 1.100 m. What are the focal lengths of the objective
Find the electric energy density between the plates of a 225-?F parallel-plate capacitor. The potential difference between the plates is 350V
Two conductors having net charges of +19.0 µC and -19.0 µC have a potential difference of 19.0 V between them. Determine the capacitance of the system.
A laser beam aimed from the earth is swept across the face of the moon. what is the angle of divergence of the laser beam
while Jo moves off in the opposite direction at a speed of 0.946m/s. assuming that friction is negligible, find out Al's mass.
The temperature of a 2.8 m copper pipe is raised from 46?C to 873?C. What is its change in length
A 4.8-kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket
A stroboscopic photo of a club hitting a golf ball, such as the photo shown in the figure below, was made by Harold Edgerton in 1933. find the average force exerted by the club on the ball
A sled of mass m is being pulled by a constant horizontal force of magnitude F. The coefficient of kinetic friction is Uk. find the power average created by force
A physics instrutor is in a dryer traveling at w=275rad/s. calculate the centripetal force on the instructor
Venus has a mass of 4.0869*10^24 kg and a radius of 6,052 km. Calculate the acceleration due to gravity on Venus
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