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At an open-air concert a person sits at a location that is 7m and 9.10m, respectively, from speakers at each side of the stage. A musician plays a single 494 Hz tone, explain what the listener hears.Assume the speed of sound is to be 346ms-1.
The position of a particle moving with constant acceleration is given by x(t) = 6t2 + 6t + 4, Calculate the average velocity of this particle between t = 6 seconds and t = 10 seconds
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
What average force is needed to stop a 80 kg man running at 4 m/s in a time of .5s? 320N 640N
A mass of 1.62 kg stretches a vertical spring 0.328 m. If the spring is stretched an additional 0.136 m and released, how long does it take to reach the (new) equilibrium position again.
A particle moving at 9.1 m/s in the positive x direction is given an acceleration of 3.4 m/s2 in the positive y direction for 2.4 s. Find the final speed of the particle
A jogger runs 10.0 blocks due east, 5.0 blocks due south,and another 4.0blocks due east. find the magnitude of the jogger's net displacement
Three equal charges of magnitude +4.00 uC are placed at the corners of an equilateral triangle of side 2 cm. what is the electric potential energy of the system
at what frequency would the wavelength of sound in air be equal to the mean free path of oxygen molecules at 1.03 atm
A car is traveling at 25 m/s when the brakes are applied and it comes to rest after 5 s. How far did it travel while the brakes were applied
A particle of mass 2.5 kg is moving in the positive x direction with a constant velocity of 1.6 m/s. What is the vertical displacement over the time taken for a 10.0m horizontal displacement
A jet aircraft with a mass of 4,675 kg has an engine that exerts a force (thrust) equal to 60,100 N. what is the jet's acceleration
Find out an angular momentum of the system
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