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5. Projectile Motion

Intro to Projectile Motion: Horizontal Launch

5. Projectile Motion

Intro to Projectile Motion: Horizontal Launch

Textbook Question
The cannon in FIGURE CP4.83 fires a projectile at launch angle θ with respect to the slope, which is at angle Φ. Find the launch angle that maximizes d. Hint: Choosing the proper coordinate system is essential. There are two options.
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Multiple Choice
Which of the following quantities are constant during projectile motion?
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Multiple Choice
A rock is thrown horizontally with a speed of 20 m/s from the edge of a high cliff. It lands 80 m from the cliff's base. How tall is the cliff?
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Multiple Choice
Jim pushes a penny off a $0.86 m$ tall table. Assume the penny is moving horizontally as it leaves the table at 5 m/s. How long is the penny in the air? Ignore air resistance.
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Multiple Choice
Bob throws a ball from his second story window to his friend Steve who is on the ground below. Assume that Bob throws the ball horizontally at $10 m / s$ , and Steve will catch the ball at a point $4.5 m$ below Bob. How far from the base of the building should Steve stand in order to catch the ball?
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