A stone is thrown vertically upwards and its height at any time t seconds is $h = 45t - 9t^{2}$. Find the maximum height reached

Similar Questions

Using binomial expansion of ( 1 + x)$^6$ = 1 + 6x + 15x$^2$ + 20x$^3$ + 6x$^5$ + x)$^6$, f...

Given that $r = 2i - j$, $s = 3i + 5j$ and $t = 6i - 2j$, find the magnitude of $2r + s - t$...

If the sum of the roots of 2x$^2$ + 5mx + n = 0 is 5, find the value of m...

Given that $\frac{3x + 4}{(x - 2)(x + 3)}≡\frac{P}{x + 3}+\frac{Q}{x - 2}$,find the value of...

If $P = \begin{pmatrix} 1 & 2 \\ 5 & 1 \end{pmatrix}$ and \(Q = \begin{pmatrix} 0 & 1 ...

Given that $\frac{8x+m}{x^2-3x-4} ≡ \frac{5}{x+1} + \frac{3}{x-4}$...

Given that $q = 9i + 6j$ and $r = 4i - 6j$, which of the following statements is true?...

In how many ways can six persons be paired? ...

Eight football clubs are to play in a league on home and away basis. How many matches are possible? ...

Marks 0 1 2 3 4 5 Number of candidates 6 4 8 10 9 3 The table above sh...