$A$ stone is projected in air. Its time of flight is $3\,s$ and range is $150\,m$. The maximum height reached by the stone is $......\,m$ $\left(g=10\,m/s^2\right)$.
- A$37.5$
- B$22.5$
- C$90$
- D$11.25$
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$A$ ball is projected horizontally with a velocity of $5 \text{ m/s}$ from the top of a building $19.6 \text{ m}$ high. How long will the ball take to hit the ground?
$A$ body is projected horizontally from the top of a tower of height $180 \,m$ with a velocity of $20 \,ms^{-1}$. If acceleration due to gravity is $10 \,ms^{-2}$, then match the following:
$A$. Velocity of the body after $1 \,s$ (in $ms^{-1}$)
$I$. $5$
$B$. Horizontal displacement of the body after $1 \,s$ (in $m$)
$II$. $20$
$C$. Vertical displacement of the body after $1 \,s$ (in $m$)
$III$. $10$
$D$. Vertical velocity of the body after $1 \,s$ (in $ms^{-1}$)
$IV$. $22.4$
| $A$. Velocity of the body after $1 \,s$ (in $ms^{-1}$) | $I$. $5$ |
| $B$. Horizontal displacement of the body after $1 \,s$ (in $m$) | $II$. $20$ |
| $C$. Vertical displacement of the body after $1 \,s$ (in $m$) | $III$. $10$ |
| $D$. Vertical velocity of the body after $1 \,s$ (in $ms^{-1}$) | $IV$. $22.4$ |
$A$ ball is rolled off the edge of a horizontal table at a speed of $4\, m/s$. It hits the ground after $0.4\, s$. Which statement given below is true?
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