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Question
secondary 4 | E Maths
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Date Posted: 4 years ago
Views: 217
A
h=80m
a=10
80 = 0.5 . v . t => v = 160/t
10 = v/t
v = 10t
160/1 . 10/v = v
v = 40 m/s
B
h=40m
a=10
40 = 0.5 . v . t => v = 80/t
10 = v/t
v = 10t
80/1 . 10/v = v
v = 20√2 m/s
diff. = 40 - 20√2 = 11.7 m/s
h=80m
a=10
80 = 0.5 . v . t => v = 160/t
10 = v/t
v = 10t
160/1 . 10/v = v
v = 40 m/s
B
h=40m
a=10
40 = 0.5 . v . t => v = 80/t
10 = v/t
v = 10t
80/1 . 10/v = v
v = 20√2 m/s
diff. = 40 - 20√2 = 11.7 m/s
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