QUESTION 2 At a location where gravity acceleration constant g =9.80 m/s2, a projectile returns to its original height after 5.9 seconds, during which time it travels 74.1 meters horizontally. If air resistance can be neglected, what was the projectile's initial speed: vo = (Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number - Please write your numerical answer with all digits and do not use scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing this.) m/s ?
QUESTION 2 At a location where gravity acceleration constant g =9.80 m/s2, a projectile returns to its original height after 5.9 seconds, during which time it travels 74.1 meters horizontally. If air resistance can be neglected, what was the projectile's initial speed: vo = (Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number - Please write your numerical answer with all digits and do not use scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing this.) m/s ?
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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 alt="QUESTION 2
At a location where gravity acceleration constant g=9.80 m/s2, a projectile returns to its original height after 5.9 seconds, during which time it travels 74.1 meters
horizontally. If air resistance can be neglected, what was the projectile's initial speed: vo =
(Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number - Please write your numerical answer with all digits and do not use
scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing
this. )
m/s ?
QUESTION 3
An airplane needs to reach a forward velocity of 203.0 km/h (Please pay attention to the unit km/h here - km = 1000 m, h = hour) to take off. On a 2000-m runway, what is the minimur
uniform acceleration necessary for the plane to take flight if it starts from rest?
OA 0.95 m/s2
O B. 0.87 m/s2
OC 1.0 m/s2
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
P Type here to search
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Transcribed Image Text:QUESTION 2
At a location where gravity acceleration constant g=9.80 m/s2, a projectile returns to its original height after 5.9 seconds, during which time it travels 74.1 meters
horizontally. If air resistance can be neglected, what was the projectile's initial speed: vo =
(Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number - Please write your numerical answer with all digits and do not use
scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing
this. )
m/s ?
QUESTION 3
An airplane needs to reach a forward velocity of 203.0 km/h (Please pay attention to the unit km/h here - km = 1000 m, h = hour) to take off. On a 2000-m runway, what is the minimur
uniform acceleration necessary for the plane to take flight if it starts from rest?
OA 0.95 m/s2
O B. 0.87 m/s2
OC 1.0 m/s2
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
P Type here to search
f5
f6
f7
18
近
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