Positive and negative amplitude of the sine wave
On an actual ocean wave, what do the period and the crest of the wave in reality represent? What does the positive and negative amplitude of the sine wave and the zero point stand for in the physical wave?
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The standard deviation of ages of sample of 23 executives from northern states was 7.4 years; while the standard deviation of the ages of sample of 25 executives from southern states was 11.8 years.
Write down an interaction model relating the mean value of y, E(y) to:
A weightlifter curls a bar of 30 kg; increasing it each time a distance of 0.60 m. Determine how many times should he repeat this exercise to burn off the energy in one slice of pizza?
X is found so that lender will realize the annual effective interest rate of 6.1% over ten-year investment period. Determine X.
A jet of water squirts out horizontally from a hole close to the bottom of the tank. When the hole consists of a diameter of around 3.50 mm, determine the height h of the water level of the tank?
Determine by what fractional amount should the player of the viola having the lower frequency raise the tension in his string to make its frequency similar to that of the other viola? Suppose that the other viola is already correctly tuned. Deduce
A 120 ball moving to the right at 4.0 catches up and collides with the 430 ball which is moving to the right at 1.2. i) When the collision is perfectly elastic, find out the speed of the 120 ball after the collision?
What is the standard error? The correct answer is 1.813 but how do you get that? What is the test statistic? Correct answer is 2.11 but how do you get that?
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