21. What is the velocity of an object that was dropped from rest after 10 seconds of free fall? 22. What is the formula used to calculate the distance an object travels in free fall? D=0.5 xgxt 23. How far has an object traveled that was dropped from rest after 10 seconds?

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 71AP: An ice sled powered by a rocket engine sum from rest on a large frozen lake and accelerates at + 40...
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I need help with questions 21 and 23 using the answers provided in the picture (Not honor class) (Not grading)
1 2
3 . I 4 I I 5 |. 6. I 7
19. The velocity of an object is changing by ...
9.8 m/s/s
20. What is the formula used to calculate the velocity of an object in free fall?
V,=gxt
21. What is the velocity of an object that was dropped from rest after 10 seconds of free fall?
22. What is the formula used to calculate the distance an object travels in free fall?
D = 0.5 x g x t
23. How far has an object traveled that was dropped from rest after 10 seconds?
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Transcribed Image Text:1 2 3 . I 4 I I 5 |. 6. I 7 19. The velocity of an object is changing by ... 9.8 m/s/s 20. What is the formula used to calculate the velocity of an object in free fall? V,=gxt 21. What is the velocity of an object that was dropped from rest after 10 seconds of free fall? 22. What is the formula used to calculate the distance an object travels in free fall? D = 0.5 x g x t 23. How far has an object traveled that was dropped from rest after 10 seconds? DELL ロ| $ & 4 6. * 00 く0
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