3.2 Kinematics

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Question 78

A particle $P\,$ is projected with speed $Ums−1U\text{ms}^{-1}$ from the point $A$ , 20m above the ground. $P\,$ is projected at an angle of $60^\circ\,$ to the horizontal. $B\,$ is the greatest height of $P$ , 16m above $A$ .

a.

Find the value of $U$ .

[3]

b.

Find the horizontal distance travelled.

[4]

c.

Find the speed of the ball when it hits the ground.

[3]

3.2 Kinematics

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Question 78

A particle $P\,$ is projected with speed $Ums−1U\text{ms}^{-1}$ from the point $A$ , 20m above the ground. $P\,$ is projected at an angle of $60^\circ\,$ to the horizontal. $B\,$ is the greatest height of $P$ , 16m above $A$ .

a.

Find the value of $U$ .

[3]

b.

Find the horizontal distance travelled.

[4]

c.

Find the speed of the ball when it hits the ground.

[3]

3.2 Kinematics

Question 78

3.2 Kinematics Questions

3.2 Kinematics

Question 78

3.2 Kinematics Questions