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QUESTION 5 Given the sine function: 35sin(314 - \frac{\pi}{2}) find a) the amplitude, b) the period and c) the phase shift - in seconds to 3 decimal places. Answer format: a,b,c - do not put units. QUESTION 6 Divide and simplify (5 - j3) \div (2 + j). Give your answer in the same form. QUESTION 7 The following numbers were collected as a sample: 23, 33, 25, 20, 27, 18, 28, 33, 25, 38, 28, 20, 23, 21. Find the a) Median b) Mean of these numbers to three significant digits. c) How many Modes are there? Answer format: a,b,c QUESTION 8 The bending moment M of a simply supported beam of length L with a uniform load of w kg/m at a distance x from the end is M = \frac{1}{2} wLx - \frac{1}{2} wx^2. For what values of x is M = 0? Answer format: a,b - no spaces please.

          QUESTION 5
Given the sine function:
35sin(314 - \frac{\pi}{2}) find
a) the amplitude,
b) the period and
c) the phase shift - in seconds to 3 decimal places.
Answer format: a,b,c - do not put units.
QUESTION 6
Divide and simplify (5 - j3) \div (2 + j). Give your answer in the same form.
QUESTION 7
The following numbers were collected as a sample:
23, 33, 25, 20, 27, 18, 28, 33, 25, 38, 28, 20, 23, 21.
Find the a) Median b) Mean of these numbers to three significant digits. c) How many Modes are there?
Answer format: a,b,c
QUESTION 8
The bending moment M of a simply supported beam of length L with a uniform load of w kg/m at a distance x from the end is
M = \frac{1}{2} wLx - \frac{1}{2} wx^2.
For what values of x is M = 0?
Answer format: a,b - no spaces please.

QUESTION 5
Given the sine function:
35sin(314 - (π)/(2)) find
a) the amplitude,
b) the period and
c) the phase shift - in seconds to 3 decimal places.
Answer format: a,b,c - do not put units.
QUESTION 6
Divide and simplify (5 - j3) ÷(2 + j). Give your answer in the same form.
QUESTION 7
The following numbers were collected as a sample:
23, 33, 25, 20, 27, 18, 28, 33, 25, 38, 28, 20, 23, 21.
Find the a) Median b) Mean of these numbers to three significant digits. c) How many Modes are there?
Answer format: a,b,c
QUESTION 8
The bending moment M of a simply supported beam of length L with a uniform load of w kg/m at a distance x from the end is
M = (1)/(2) wLx - (1)/(2) wx^2.
For what values of x is M = 0?
Answer format: a,b - no spaces please.

Added by Soledad H.

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