a golfer standing on level ground hit a Ball with a velocity of u=52 m/s at an angle of q above the horizontal.if tan=5/12 .then time interval for which the ball is at least 15cm above the ground

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Q. A golfer standing on level ground hits a ball with a velocity of

u = 52 m / s

at an angle

α

above the horizontal. If

tan α = 5 / 12

, then the time for which the ball is at least 15 m above the ground (i.e. between A and B) will be (take

g = 10 m / s^{2}

)

Q. A golfer standing on level ground hits a ball with a velocity of

u = 52 m/s

at an angle

a

above the horizontal. If

tan a = \frac{5}{12}

, then the time ( in second upto two decimals) for which the ball is at least

15 m

above the ground will be (take

g = 10 {m/s}^{2}

)

A person standing on the edge of a cliff at some height above the ground throws the first ball straight up with an initial velocity u and then throws the second ball straight down with the same initial velocity u. Which of the following statements is TRUE regarding their velocities when they hit the ground?

Q. A cricketer hits a ball from the ground level with a velocity of

(10 \sqrt{2}) m s^{- 1}

at an angle of

45^{\circ}

with the horizontal. What should be the minimum speed of the fielder standing [Along the direction in which ball is hit] at a distance of

5 m

from the batsman so as to catch the ball at ground level. Assume the direction of motion of the ball and the fielder are same.

A person standing on the edge of a cliff at some height above the ground throws first ball straight up with initial velocity, u, and then throws second ball straight down with the same initial velocity u. Which of the following statement is TRUE regarding their velocities when they hit the ground?

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