Question 1

A projectile of fired from an angle of $40^0$ with a speed of $15ms^{-1}$ find the maximum height it reaches

Accepted Answer

4.74m

Answer

5.74m

Answer

3.47m

Answer

6.47m

Question 2

A projectile of fired from an angle of $40^0$ with a speed of $15ms^{-1}$. How long does the projectile travel before hitting the ground?

Accepted Answer

1.97s

Answer

2.57s

Answer

1.77s

Answer

2.27s

Question 3

A projectile of fired from an angle of $40^0$ with a speed of $15ms^{-1}$ find the range of the projectile

Accepted Answer

22.61m

Answer

24.61m

Answer

20.61m

Answer

18.61m

Question 4

A projectile of fired from an angle of $40^0$ with a speed of $15ms^{-1}$ find its position after 1.2 seconds.

Accepted Answer

$(13.8\hat{i}+4.51\hat{j})m$

Answer

$(12.8\hat{i}+3.51\hat{j})m$

Answer

$(11.8\hat{i}+5.51\hat{j})m$

Answer

$(10.8\hat{i}+2.51\hat{j})m$

Question 5

A cannon is fried horizontally from a cliff. The cannonball travels at a velocity of $120ms^{-1}$. Find the range of the cannonball if the height of the cliff is 20m.

Accepted Answer

242.4m

Answer

222.4m

Answer

262.4m

Answer

202.4m

Related quizzes

Related quizzes