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Question: Compare the result you found in Exercise to the result of Eq. The requirement D >> d is not fulfilled in this case, but the result of Eq. is surprisingly accurate.
Exercise: Assume the two speakers are a distance d = 4m apart and emitting a pure tone with λ = 0.34 m. For D = 12m at what y positions on the vertical line do observers hear the loudest sound? What frequency corresponds to this wavelength?
dsinΘ = nλ
The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 3.2 m/s, what is the largest value that the radiusr can have if the car is to remain in contact with thecircular track at all times?
a 18.0-kg cannonball is fired from a cannon with muzzle speed of850msat an angle of33.0degwith the horizontal. a second
Many star are observed to have rotation periods that lengthenslightly with time, a phenomenon called "spin down." The rate ofslowing of the Crab Star is 3.50*10-13 s per second, which implies that if thisrate remains constant, the Crab Comet will s..
A uniform disk with radius 0.370m and mass 30.5kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. What is the resultant linear acceleration of a point on the rim of the disk
If N is 25mm, the focal length of a certain microscope's eyepiece is 12.5 mm and the magnification of its objective lens is 50, what is the overall magnification of the microscope
In the figure, water stands at depth D = 35.0 m behind the vertical upstream face of a dam of width W = 315 m. Discover the torque due to the net horizontal force on the dam, measured regarding a rotation axis parallel to the dam and during point O.
The ball leaves his racket with a speed of 16.0 m/s at an angle 5.5 degrees above the horizontal. The horizontal distance to the net is 7.0 m and the net is 1.0 m high. Explain by how much did the ball clear the net?
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 4.89 m/s over a time interval of 0.522 s. What impulse and average force does a 74 kg passenger in the car experience?
A grasshopper hops along a level road. On each hop, the grasshopper launches itself at angle θ0=45° and achieves a range R = 0.82m .What is the average horizontal speed of the grasshopper as it hops along the road? Assume that the time spent o..
A box is placed on a conveyor belt that moves with a constant speed of 1.05. The coefficient of kinetic friction between box and belt is 0.80. How much time does it take for the box to stop sliding relative to belt.
skid is going to attempt a field goal by kicking the football from a point 40 yards out from the goal. the ball must
A constant net force of 75 Newton acts on an object initially at a rest as it moves through a parallel distance of 0.60 meter. determine what is the final speed
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