Here are ten questions related to Vertical Projectile Motion for Grade 12 Physics:

1. A ball is thrown vertically upwards with an initial velocity of 20 m/s. Calculate the maximum height reached by the ball. (Assume \( g = 9.8 \, \text{m/s}^2 \))

2. A stone is dropped from a height of 50 meters. How long does it take to reach the ground? (Assume \( g = 9.8 \, \text{m/s}^2 \))

3. An object is projected vertically upwards and reaches a height of 100 meters. What was the initial velocity of the object? (Assume \( g = 9.8 \, \text{m/s}^2 \))

4. If a projectile is thrown vertically upwards with an initial speed of 30 m/s, how long will it take to reach its maximum height? (Assume \( g = 9.8 \, \text{m/s}^2 \))

5. A ball is thrown vertically upwards with a velocity of 15 m/s. Calculate the total time taken for the ball to return to the thrower's hand. (Assume \( g = 9.8 \, \text{m/s}^2 \))

6. An arrow is shot vertically upwards and takes 6 seconds to reach its highest point. What is its initial velocity? (Assume \( g = 9.8 \, \text{m/s}^2 \))

7. A ball is thrown vertically upwards and reaches a maximum height of 25 meters. How long does it take for the ball to return to the ground? (Assume \( g = 9.8 \, \text{m/s}^2 \))

8. Calculate the velocity of a rock just before it hits the ground if it is dropped from a height of 80 meters. (Assume \( g = 9.8 \, \text{m/s}^2 \))

9. A ball is projected vertically upwards with an initial velocity of 18 m/s. Determine the time it takes to reach a height of 20 meters. (Assume \( g = 9.8 \, \text{m/s}^2 \))

10. If a ball is thrown vertically downwards from a height of 45 meters with an initial velocity of 5 m/s, how long will it take to hit the ground? (Assume \( g = 9.8 \, \text{m/s}^2 \))

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