5. Projectile Motion
Intro to Projectile Motion: Horizontal Launch
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- Multiple Choice
Which of the following quantities are constant during projectile motion?
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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?
4176views54rank3comments - Multiple ChoiceJim pushes a penny off a 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.1737views
- Multiple ChoiceBob 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 , and Steve will catch the ball at a point below Bob. How far from the base of the building should Steve stand in order to catch the ball?1801views1rank
- Textbook Question
A daring 510 N swimmer dives off a cliff with a running horizontal leap, as shown in Fig. E3.10. What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?
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Crickets Chirpy and Milada jump from the top of a vertical cliff. Chirpy drops downward and reaches the ground in 2.70 s, while Milada jumps horizontally with an initial speed of 95.0 cm/s. How far from the base of the cliff will Milada hit the ground? Ignore air resistance.
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A physics book slides off a horizontal tabletop with a speed of 1.10 m/s. It strikes the floor in 0.480 s. Ignore air resistance. Find the height of the tabletop above the floor.
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A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point. (b) What was the bullet's speed as it left the barrel?
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