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You have a 1.93-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, which is the frequency of the standard A pitch that orchestras tune to, you observe transverse waves with a wavelength of 16.7 cm traveling along the string. Calculate the tension in the string.
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
A wheel with c=4/9, a mass of 43.8kg, and a rim radius of 31.1cm is mounted vertically on a horizontal axis. Find the angular acceleration of the wheel
initially unpolarized light is sent into a system of three polarizing sheets whose polarizing directions make angles of ?1 = ?2 = ?3 = 51° with the direction of the y axis, What percentage of the initial intensity is transmitted by the system
A small plane departs from point A heading for an airport 500 km due south at point B, Determine the proper heading for the plane and the time of flight
A 5-kg rock is dropped off a 30-m high building. If the rock is dropped from rest, what is the average power supplied by gravity
A 47.60 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 28.4 m. (a) avoid air resistance and determines the kinetic energy of ball at its highest point. (b) What is its speed while it is 8.02m below it..
How long would it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 335m.
The weight of a rectangular block of low-density material is 15.0 N. With a thin string, the cen- ter of the horizontal bottom face of the block is tied to the bottom of a beaker partly filled with water. Find the buoyant force on the block
A simple harmonic oscillator takes 17 seconds to undergo 17 complete oscillations. What is the frequency of the oscillator
A 65- person stands on a scale in a moving elevator while holding a 5.0 mass suspended from a massless spring with spring constant 1.10. What is the reading of the scale on which the person stands
light with a frequency of 3.75 x 10^15 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 5.9 eV
On an amusement park ride, passengers are seated in the horizontal circle of radius 6.5 m. The seats begin from rest and are uniformly accelerated for 24 seconds to a maximum rotational speed of 1.4 rad/s.
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