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A harmonic wave on a string with a frequency of 80 Hz and an amplitude of 0.025 m travels in the +x direction with a speed of 12 ni1s.
(a) Write a suitable wave function for this wave.
(b) Find the maximum speed of a point on the string.
(c) Find the maximum acceleration of a point on the string.
A jogger is running around a circular track of circumference 470 m. If the jogger has a speed of 8 km/h, what is the magnitude of the centripetal acceleration of the jogger
A circuit consists of a 215-Ω resistor and a 0.200-Hinductor. These two elements are connected in series across generator that has a frequency of 130 Hz and a voltage of 245 V.
A laser used to repair a detached retina has wavelength of 532nm. How many photons are in each pulse
1. a projectile is fired straight upward at 137 ms. how fast is it moving at the instant it reaches the top of its
An object is placed 10.0\; cm in front of an unknown type of mirror that produces an erect image that is 3.11 times larger than the original object. What is the focal length of the mirror
Find the electric field inside a hollow plastic ball of radius R that has charge Q uniformly distributed on its outer surface
An ideal monatomic gas is contained in a vessel of constant volume 0.270 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, respectively. Find the change in temperature of the gas
if an object is held 10.0 cm away from the eye and magnified by .035 what is the radius of curvature of the persons
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
Four charges are arranged on the corners of a square as shown. A fifth charge is located in the middle of the square. What is the net force on that charge?
A 80 kg person sits on a 4 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find the pressure in pascals exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.
You are required to build a 12 picofarad capacitor. If the plates can be only 2mm apart and circular, what is the radius of each of the plates
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