Please answer #18, thank you

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer #18, thank you
MMARY OF
ATI ONSHIPS
AVERAGE SPEE
js: speed = di
eIES MOVI
V = V, +
PROBLEMS
(Show all work on the Answers Sheet that is provided)
green. How far will it have gone when it is traveling at 18 mis?
A. 57.5 m
B. 62.5 m
C. 54 m
D. 69 m
the end of 20 s?
bod
A. 19.0 m/s
B. 24.5 m/s
C. 19.8 m/s
D. 21.0 m/s
traveled 295 m?
A. 170 m/s
B. 173 m/s
C. 178 m/s
D. 163 m/s
(For 18 & 19): A ball rolls down a hill with a constant acceleration of 3.5 m/s. It starts
from rest, and rolls for 3,0 s.
18. What is the speed at the end of 3.0 s?
C. 7.56 m/s
D. 13.50 mls
A. 9.25 m/s
B. 10.5 m/s
19. How far did it move?
C. 15.75 m
D. 10.4 m
A. 8.25 m
В. 13.52 m
(For 20 & 21):
20. How long will it take for a freely falling body to reach a speed of 68.6 m/s?
B. 4.0 s
D. 7.0 s
C. 6.0 s
A. 5.0 s
21. How far will it have fallen during that time?
D. 260 m
C. 240 m
B. 122 m
22. You start your bicycle ride from rest at the top of a hill. You coast down the hill at a
constant acceleration of 2.00 m/s?. When you get to the bottom of the hill, you are
moving at 18.0 m/s, and you pedal to maintain that speed. If you continue at this speed
for 1.00 min, how far will you have gone from the time you left the hilltop?
A. 112 m
(Note: Convert minutes to seconds)
B. 1252 m
D. 1161 m
C. 1125 m
A. 1085 m
Transcribed Image Text:MMARY OF ATI ONSHIPS AVERAGE SPEE js: speed = di eIES MOVI V = V, + PROBLEMS (Show all work on the Answers Sheet that is provided) green. How far will it have gone when it is traveling at 18 mis? A. 57.5 m B. 62.5 m C. 54 m D. 69 m the end of 20 s? bod A. 19.0 m/s B. 24.5 m/s C. 19.8 m/s D. 21.0 m/s traveled 295 m? A. 170 m/s B. 173 m/s C. 178 m/s D. 163 m/s (For 18 & 19): A ball rolls down a hill with a constant acceleration of 3.5 m/s. It starts from rest, and rolls for 3,0 s. 18. What is the speed at the end of 3.0 s? C. 7.56 m/s D. 13.50 mls A. 9.25 m/s B. 10.5 m/s 19. How far did it move? C. 15.75 m D. 10.4 m A. 8.25 m В. 13.52 m (For 20 & 21): 20. How long will it take for a freely falling body to reach a speed of 68.6 m/s? B. 4.0 s D. 7.0 s C. 6.0 s A. 5.0 s 21. How far will it have fallen during that time? D. 260 m C. 240 m B. 122 m 22. You start your bicycle ride from rest at the top of a hill. You coast down the hill at a constant acceleration of 2.00 m/s?. When you get to the bottom of the hill, you are moving at 18.0 m/s, and you pedal to maintain that speed. If you continue at this speed for 1.00 min, how far will you have gone from the time you left the hilltop? A. 112 m (Note: Convert minutes to seconds) B. 1252 m D. 1161 m C. 1125 m A. 1085 m
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