A ball is projected vertically with initial velocity V0 at t = 0 it passes
the same elevation at 3 s as it did at 1 s.
a- Determine the initial velocity?
b- Find its height at t=1s?
c- Find its speed at t=1s?
d- Find its maximum height did it reach?
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Explanation:
The ratio of incomes of two persons is 9:7 and the ratio of their expenditures
is 4:3. If each of them manages to save ` 2000 per month, find their monthly
incomes.
(ii) Solve the following simultaneous equations graphically.
x + y = 0 ; 2x – y = 9
(iii) The sum of father’s age and twice the age of his son is 70. If we double the
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Answer:
9+4
13 And its y the following is attitude each
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