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A sinusoidal wave in a string is explained by the wave function y = (0.06m) sin (4.4x - 7.0t) where x and y are in meters and t is in seconds. (a) In what direction does the wave travel and what is its speed? (b) Discover the wavelength, frequency, and period of the wave. (c) What is the maximum speed of any short string segment? (d) What is the maximum displacement of any string segment?
a pot of hot water is boiling on your stove. the pot is in the shape of a round cylinder made of aluminum which is 10
A space traveler moving at a speed of 0.62c with respect to the earth makes a trip to a distant star that is stationary relative to the earth. He measures the length of this trip to be 7.9light-years.
question a swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. she is swept
A 6 m long 50 kg ladder leaning on a frictionless wall can successfully be scaled by a 120 kg man. What is the minimum angle between the ladder and the floor
a person with a mass of 50 kg is standing on a scale in an elevator that is accelerating upwards at a rate of 3.2 ms2.
a pile driver drives a post into the ground. the mass of the pile driver is 3500 kg and it is dropped through a height
Evaluate the peak electric field inside a 645 W microwave oven under the simplifying approximation that the microwave propogatesas a plane wave through the oven's 740 cm2 cross-sectional area
A physics book slides off a horizontal tabletop with a speed of 2.70m/s . It strikes the floor in 0.350s. Find the direction of book's velocity, just before the book reaches the floor
In an experiment on the photoelectric effect, a cessium plate is illuminated with UV light of wavelength 2000 angstroms. The stopping potential is found to be 4.21 volts. What is the work function of the cessium surface?
A bullet is fired through a board 13.5 cm thick, with a line of motion perpendicular to the face of the board. what is its acceleration as it passes through the board
Apart from the continuous loss of mass from the Sun and increase in the mass of Earth (Both of which are relatively small.) Find at what time of year is it greatest
Suppose two highly precise, identical clocks are synchronized and one clock is placed on the North Pole, how much will the clocks differ in time
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