Week 4 Fall 2019 sWB-Building Height Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of h He falls a distance of n/3 in the last interval of time of 1.2 sof his fall. Part A What is the height nof the building? Express your answer using two significant figures Hint: First, compute the velocity when Ironman reaches the height equal to the distance fallen. This requires that you do the following: define origin as the bottom of the building Then use x-x0 -v0*(t-t0)-(1/2)g (t-t0)^2 where x-0 and x0= (distance fallen) and t-t0 is the time interval given. In this formulation you are going to get magnitude of vO since you already inserted the sign. AE ш Request Answer Submit You then insert v0 that you just calculated into the kinematic equation that involves v, g, and displacement (v 2-v0^2 = 2g(height-(distance fallen), but now v (which is the final velocity is vo from above) and vO in this case is the velocity that the Ironman has when he begins to fall, which is 0. Provide Feedback This gives a quadratic equation for height h, and you will need to use the binomial equation to solve for h. Choose the larger of the two solutions.

Week 4 Fall 2019 sWB-Building Height Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of h He falls a distance of n/3 in the last interval of time of 1.2 sof his fall. Part A What is the height nof the building? Express your answer using two significant figures Hint: First, compute the velocity when Ironman reaches the height equal to the distance fallen. This requires that you do the following: define origin as the bottom of the building Then use x-x0 -v0*(t-t0)-(1/2)g (t-t0)^2 where x-0 and x0= (distance fallen) and t-t0 is the time interval given. In this formulation you are going to get magnitude of vO since you already inserted the sign. AE ш Request Answer Submit You then insert v0 that you just calculated into the kinematic equation that involves v, g, and displacement (v 2-v0^2 = 2g(height-(distance fallen), but now v (which is the final velocity is vo from above) and vO in this case is the velocity that the Ironman has when he begins to fall, which is 0. Provide Feedback This gives a quadratic equation for height h, and you will need to use the binomial equation to solve for h. Choose the larger of the two solutions.

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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Question

Week 4 Fall 2019
sWB-Building Height
Ironman steps from the top of a tall building.
He falls freely from rest to the ground a
distance of h He falls a distance of n/3 in the
last interval of time of 1.2 sof his fall.
Part A
What is the height nof the building?
Express your answer using two significant figures
Hint: First, compute the velocity when Ironman
reaches the height equal to the distance
fallen. This requires that you do the following:
define origin as the bottom of the building
Then use x-x0 -v0*(t-t0)-(1/2)g (t-t0)^2
where x-0 and x0= (distance fallen) and t-t0 is
the time interval given. In this formulation
you are going to get magnitude of vO since
you already inserted the sign.
AE
ш
Request Answer
Submit
You then insert v0 that you just calculated into
the kinematic equation that involves v, g, and
displacement (v 2-v0^2 = 2g(height-(distance
fallen), but now v (which is the final velocity is
vo from above) and vO in this case is the
velocity that the Ironman has when he begins
to fall, which is 0.
Provide Feedback
This gives a quadratic equation for height h,
and you will need to use the binomial
equation to solve for h. Choose the larger of
the two solutions.

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