Superman starting from rest has an acceleration of 10m/s 2 up. He makes it 127m into the air before he’s exposed to kryptonite and is only under the influence of gravity. (a) How long after take off is Superman exposed to kryptonite? (b) What is Superman’s velocity when he is exposed to the kryptonite? (c) What is the maximum height Superman reaches?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
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Superman starting from rest has an acceleration of 10m/s
2 up. He makes it 127m into the
air before he’s exposed to kryptonite and is only under the influence of gravity.
(a) How long after take off is Superman exposed to kryptonite?
(b) What is Superman’s velocity when he is exposed to the kryptonite?
(c) What is the maximum height Superman reaches?
(d) What is the total amount of time Superman is in the air?

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