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A small bird's wings can undergo a maximum displacement amplitude of 5.1 cm (distance from the tip of the wing to the horizontal). If the maximum acceleration of the wings is 11 m/s2, and we assume the wings are undergoing simple harmonic motion when beating, what is the oscillation frequency of the wing tips?
Hz
q1. a superball with a mass of 62.50 g is dropped from a height of 1.70 m. it rebounds to a height of 1.47 m.what is
A non-conducting charged sheet and a non-conducting sphere (radius b) are arranged as shown in the figure. The right-most surface of the sheet is at x=0 and the center of the sphere is on the x-axis at x=xnaught. The sheet has a positive uniform char..
A block of weight W = 13.5 N, which can slide without friction on a 27.5o incline, By how much will the spring be stretched
a child tosses a stick into a stream. the stick moves downstream at a rate of 1.5 ms. how fast is the stick moving
How long after being thrown will the balls collide
The lenses used in a compound microscope have powers of + 90 D and + 60 D . If a total magnification of -250 x is desired, what should be the distance between the two lenses
A box with mass 7.0 kg is sliding down a frictionless ramp that is 2.6 m long and inclined at 33 deg. above the horizontal. how long will it take to reach the bottom of the ramp
A 17.5 kilogram block is at rest on a frictionless incline that makes an angle of 25.0 degress with respect to the horizontal. What is the magnitude of the horizontal force
The drawing below shows three particles far away from any other objects and located on a straight line. Calculate the magnitude of the net gravitational force acting on particle A
Find the lower limit for the change in specific entropy of dry air at a given temperature and pressure which is allowed to expand freely into an insulated chamber to assume twice its original volume.
Picture yourself in the castle of Helm's Deep from the Lord of the Rings. You are on top of the castle wall and are dropping rocks on assorted monsters that are 15.55 m below you. How long after you release the rock does this happen
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, What light intensity emerges from the third filter
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