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Preliminary Questions
1. Give the relationship between a wave's velocity, frequency, and wavelength. Show that this equation is dimensionally correct. Note that a graph of lambda vs. L/f should be a straight line. What are its slope and y-intercept?
2. Sketch the waves (using the method outlined in the Physical Principles section) corresponding to the lowest three frequencities of vibration of the 30 cm air column shown below. What is the wavelength of the standing wave in each case? If the speed of sound in air is 331 m/s, what frequency is heard from each pipe?
A 11 kg satellite has a circular orbit with a period of 3.3 h and a radius of 3.6 × 106 m around a planet of unknown mass. what is the radius of the planet
A screen is placed among two lamps so that they illuminate the screen equally. The first lamp emits a luminous flux of 1445 lm and is 2.5 m from the screen. What is the distance of the second lamp from the screen if the luminous flux is 2375 lm?
The escape velocity of a bullet from the surface of planet Y is 1599 m/s. Determine the escape velocity from the surface of the planet X
Jill jumps off the diving board with a velocity of 1.7 m/s at 38 degrees above horizontal. if the water surface is 2 meters below the board: with what velocity will she hit the water
question1a student has two ramps both of that are at an angle 25deg. ramp 1 is frictionless and ramp 2 has friction.
0.023mol of a diatomic gas, with initial temperature 25?C, How much heat is added during this process
A 20.0 kilogram toboggans with 58.8 kilogram driver is sliding down a frictionless chute directed 27.4 degree below the horizontal at 8.40 m/s, find the subsequent velocity of the toboggan immediately after impact
A 72-kg fisherman in a 133-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.2 m/s, find the velocity of the boat after the package is thrown
A hockey puck of mass 0.27 kg is sliding along a slippery frozen lake, with an initial speed of 67 m/s. Find the work done by friction
A bicycle wheel rotates uniformly through 2.0 revolutions in 4.0 s. What is the frequency of the wheel's revolution
a uniform line charge extends from x - 2.7 cm to x 2.7 cm and has a linear charge density of 5.9 ncm.a find the
A river 101.8 m wide flows toward the south at 31.0 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. What is her velocity relative to land
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