1. Before working this problem, review Conceptual Example 14. A pellet gun is fired straight downward...

60.1K

Verified Solution

Question

Physics

1. Before working this problem, review Conceptual Example 14. Apellet gun is fired straight downward from the edge of a cliff thatis 12 m above the ground. The pellet strikes the ground with aspeed of 28 m/s. How far above the cliff edge would the pellet havegone had the gun been fired straight upward?
_______ m
2.Â Â An astronaut on a distant planet wants todetermine its acceleration due to gravity. The astronaut throws arock straight up with a velocity of +10 m/s and measures a time of24.1 s before the rock returns to his hand. What is theacceleration (magnitude and direction) due to gravity on thisplanet? (Indicate direction by the sign of the acceleration.)
_ m/s²

Answer & Explanation Solved by verified expert

4.0 Ratings (773 Votes)

1 Use the expression v2 u2 2as Given that v 28 ms u a g 98 ms2 s 12 m Put the values 282 u2 29812 u2 5488 u 2343 ms Now when the pellet is fired upward u See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member