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Two canoes are 10m apart on a lake. Each bobs up and down with a period of 4.0s. When one canoe is at its highest point, the theory canoe is at its lowest. Both canoes are always within a single cycle of waves. Decide the speed of the waves.
a rock of mass m 1.35 kg is dropped from a height of h 2.7 m into a pool of water. at a time of t 1.37 s after
A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
Place a test lead in one of the big lab magnets and plug both ends in the voltmeter so that it measures voltage on the 200m scale, Explain what will happen after the leads are jerked out of the magnet
A couple is traveling by car 40 km/h down a straight highway. They see an accident in the distance, so the driver applies the brakes, What is the direction of the acceleration vector
Two timpani (tunable drums) are played at the same time. One is tuned so that when it is struck, sound is produced that has a wavelength of 2.20 m. what beat frequency is heard
Three capacitors all have the same capacitance. When they are wired in series, the equivalent capacitance is 57 ?F. what would the charge on the capacitors be
A wave on a string is described by, y(x, t) = 17.0 sin(?x/8 - 8?t) where x and y are in centimeters and t is in seconds. (a) What is the transverse speed for a point on the string at x = 7.45 cm when t = 0.270 s? m/s (b) What is the maximum transv..
An electric potential is set up across a pair of parallel plates such that the left plate is at -594 V, What is the kinetic energy of the electron when it reaches the hole in the right plate
q1. a 3.0 kg basketball travelling at 15ms collides with the 2.0- kg baseball which is initially at rest in the elastic
A block of mass m = 364 g is dragged with a string across a rough horizontal table. The string tension is T = 2.79 N, What is the power supplied by the force of friction
If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving
Refer to Interactive Solution 25.21 for help with problems like this one. How far from the wall should the mirror be located
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