Dangerous Objects: Coconut vs Bullet

What is the average speed of a bullet as mentioned in the video?

• 800 meters per second

• 200 meters per second

• 400 meters per second

• 600 meters per second

How high is the coconut tree from which the coconut falls?

• 20 meters

• 10 meters

• 25 meters

• 15 meters

What is the approximate final velocity of the coconut when it hits the ground?

• 10 meters per second

• 20 meters per second

• 17 meters per second

• 15 meters per second

What is the formula for momentum?

• Velocity minus mass

• Velocity divided by mass

• Mass times velocity

• Mass divided by velocity

What is the average mass of a bullet used in the video?

• 5 grams

• 15 grams

• 20 grams

• 10 grams

What is the momentum of the bullet as calculated in the video?

• 2 kg meter per second

• 4 kg meter per second

• 6 kg meter per second

• 8 kg meter per second

How does the momentum of the coconut compare to that of the bullet?

• It is about three times as much

• It is about twice as much

• It is about the same

• It is about four times as much

Why is a falling coconut considered more dangerous than a bullet?

• Because it is faster

• Because it has a larger mass and higher momentum

• Because it is sharper

• Because it is more common

What is the mass of the car used in the example of a slow-moving car?

• 500 kg

• 1500 kg

• 1000 kg

• 2000 kg

What speed is the car moving at in the example provided?

• 0.5 meters per second

• 1 meter per second

• 1.5 meters per second

• 2 meters per second