Compute the period and its frequency
A pendulum makes 40 vibrations in 45 seconds. Compute its period and its frequency and find out its maximum speed when the cord is 1.5m long and it forms an angle of 15 degrees with its rest position throughout its motion.
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A solid glass sphere having a radius of 6.00 cm and index of refraction of 1.50 consists of a small coin embedded 3.00 cm from the front surface of the sphere. For the viewer looking at the coin via the glass, at which distance from the front surf
A glass block, for which n =1.52, consists of a blemish situated 4.5 cm from one surface. At what distance from the surface does the image of the blemish come into view to the outside observer?
Find out the shortest length of an open pipe which will resonate at 0 degrees C having a fork of frequency 160 cy/sec. Determine the frequency of the sound overtone when the temperature rises by 10 degrees?
The group of 3 people who don't drive and four drivers form the carpool. If SUV seats 8 people (two in front, 3 in middle, 3 in the back), in how many ways people can arrange themselves in vehicle to commute to work?
A company selected a simple random sample of a number of accounts receivable. For these accounts they calculated a mean of $340. The standard deviation is known to be $30. Do we have any evidence to support the claim that ? is greater than $300?
Determine the ratio of the amplitudes of the two waves? When first wave hits a boundary among the two mediums travel at 10 Km/sec at an angle of incidence of 40 degrees, causing an angle of refraction of 30 degree. Compute the velocity in the seco
An object positioned 14 cm from a concave mirror generates a real image 8.0 cm from the mirror. When the object is now moved to a new position 18.0 cm from the mirror, where is the new image positioned as measured from the mirror?
Develop a 95% confidence interval to estimate the proportion of male students tried to pick up the quarter. (Round your answer to 3 significant digits)
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