Projectiles

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Question 23

A cricket ball is hit from the ground with an initial velocity of $k(2i+5j)ms−1k(2\mathbf{i} + 5\mathbf{j})\text{ms}^{-1}$ , where $k\,$ is a constant. The maximum height above the ground reached by the ball is 50 m.

a.

Find the exact value of $k$ .

[3]

b.

Find the horizontal distance from the point of projection to the point where the ball strikes the ground.

[6]

Projectiles

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Question 23

A cricket ball is hit from the ground with an initial velocity of $k(2i+5j)ms−1k(2\mathbf{i} + 5\mathbf{j})\text{ms}^{-1}$ , where $k\,$ is a constant. The maximum height above the ground reached by the ball is 50 m.

a.

Find the exact value of $k$ .

[3]

b.

Find the horizontal distance from the point of projection to the point where the ball strikes the ground.

[6]

Projectiles

Question 23

Projectiles Questions

Projectiles

Question 23

Projectiles Questions