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Here is the problem which I am struggling on, please help me!
Problem: A street musician sounds the string A of his violin producing a tone of 440hz. What frequency does a bicyclist hear as he
(a) approaches and
(b) recedes from the musician with speed at 110 m/s?
Explain the each step for help and the velocity of sound is 343 m/s.
When a 3.15-kg fan, having blades 16.5 cm long, is turned off, its angular speed decreases uniformly from 12.0 rad/s to 4.30 rad/s in 6.00 s. how long after it is turned off does it take the fan to stop
A rock is thrown from the top of a 30 m building at an angle of 47° above the horizontal. If the horizontal range of the throw is equal to the height of the building, with what speed was the rock thrown
A playground merry-go-round has radius 2.40 m and a moment ofinertia of 2100 kgm^2 about a vertical axle through its center, andturns with negligible friction. What is the avergae power supplied by the child
What is the difference between series and parallel circuits? Specify in words and algebraic formula, if possible, the relationships between current, voltage, and resistance in each type of curcuit.
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 151 N on the wire.
A rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's speed as it left the barrel
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The potential dissimilarity between the plates of a capacitor is 220 V. Midway among the plates, a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate by an initia..
A 15 kg block is on a ramp which is inclined at 20° above the horizontal. It is connected by a string to a 28 kg mass which hangs over the top edge of the ramp. Assuming that frictional forces may be neglected, what is the magnitude of the accelerati..
A current given by I(t)=3t^3 where I is in amps when t is in seconds, passes through a 5- resistor. How much energy is dissipated as heat between t=3 s and t=5 s
A point charge Q = 8.50×10-6 C is at the center of a conducting spherical shell of radius R = 17.90 cm. What is the field just outside the shell
On a clear day at a certain location, a 100 V/m vertical electric field exists near the Earth's surface. Compute the energy density of the electric field
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