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secondary 4 | E Maths
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need help for part c & d.
Part A answer is 15m/s
Part B answer is 38 sec
Date Posted: 5 years ago
Views: 245
Part B answer is 48 sec, not 38 sec.
Area of trapezium is 0.5 x height x sum of parallels.
0.5 x 15 x sum of parallels = 495
sum of parallels = 66
top horizontal + bottom horizontal = 66
18 + bottom horizontal = 66
bottom horizontal = 48
T - 0 = 48
T = 48
Area of trapezium is 0.5 x height x sum of parallels.
0.5 x 15 x sum of parallels = 495
sum of parallels = 66
top horizontal + bottom horizontal = 66
18 + bottom horizontal = 66
bottom horizontal = 48
T - 0 = 48
T = 48
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done
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clear
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The concepts are common in E Maths and in Physics.
Date Posted:
5 years ago
hi there thanks for the help! side note: i do not take physics
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