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Waves are sent down a 2.00m long string pinned down at both ends setting up standing waves. The equation for these waves is given by, y(x,t) = (0.040m) sin (2pi multiplied by x) cos (200pi mulitplied by t)
Find a) the amplitude of the original waves sent, b) frequency, c) wavelength, d) what harmonic this is, e) the position of nodes and f) the position of the antinodes.
a crate on the floorhas an applied force 11 degrees below horizontal of 815 Newtons. what is the mass of the crate
a 60 w lamp is connected in series with a 12 v emf. how much current in a flows through the lamp? please round the
q1. a thin horizontal copper rod is 1.59347 m long and has a mass of 33.2472 g.the acceleration of gravity is 9.8
An 0.8kg baseball with an initial velocity of 40m/s is hit with a baseball bat so that its recoil velocity is 60m/s in the exact opposite direction. what is the average force the bat puts on the ball
A 24 Volt battery is in series with a switch, a 0.35 H inductor, and a 20 ohm resistor. Obtain the potential differences across the inductor
The pressure exerted by a static liquid on a vertical submerged surface is calculated from the reaction:
A stone is dropped from the roof of a building; 1.20 s after that, a second stone is thrown straight down with an initial speed of 22.0 m/s , and the two stones land at the same time.
An electron enters a region of space containing a uniform 0.0000217-T magnetic field. Its speed is 189 m/s and it enters perpendicularly to the field. Find the radius of the electron\'s orbit
Normal atmospheric pressure at sea level is generally considered to be equal to the pressure exerted by a column of mercury 760mm high. Calculate the corresponding pressure in inches and in Pascals
The old LP vinyl records commonly rotated at 33.33 revolutions per minute. Find the period of revolution for the record
Find out the magnitude and direction of forces
A Physics professor jumps her snowmobile from the top of a 1.50 m high ramp that is inclined at an angle of 18.0o above the horizontal. Find how high above the ground will the professor be
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