Where does the projectile end up? - PowerPoint PPT Presentation

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v o. 1. 2. 3. 4. 0 of 5. Where does the projectile end up?. Moving Earth. A cart is moving at constant velocity (constant speed in a straight line). A projectile is fired straight up from the cart. At the original position of the cart Ahead of the original position, but behind the cart

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Where does the projectile end up?

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vo

1

2

3

4

0 of 5

Where does the projectile end up?

Moving Earth

A cart is moving at constant velocity (constant speed in a straight line). A projectile is fired straight up from the cart.

• At the original position of the cart

• Ahead of the original position, but behind the cart

• Back in the cart

• Not enough information

Vo = 0

Vo

2

1

0 of 5

Which ball hits the ground first?

Acceleration of Gravity - IV

Two balls are released at the same time. Ball 1 is released from rest and ball 2 is given an initial horizontal velocity. The dashed line shows the ball’s trajectory.

• Ball 1

• Ball 2

• Both hit at the same time

• Not enough information

1

2

3

4

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Where does the projectile end up?

Monkey & Hunter

A monkey is hanging from a branch of a tree. A hunter aims directly at the monkey. In an attempt to avoid being shot, the monkey lets go of the branch the instant the projectile leaves the gun.

• At the original position of the monkey

• Below the original position, but over the monkey’s head

• It hits the monkey

• Below the monkey

• Not enough information

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When the ball reaches its highest point, which is true:

Projectile Motion - I

• Zerozero

• Non-zerozero

• Zeronon-zero

• Non-zeronon-zero

You throw a ball straight up into the air.

VelocityAcceleration

Projectile

#1

Projectile

#2

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If the shells follow the paths shown, which hits the ground first?

Projectile Motion - II

Two projectiles are fired simultaneously from the same location.

• Projectile #1

• Projectile #2

• Both hit at the same time