Fundamentals of Physics
Fundamentals of Physics
10th Edition
ISBN: 9781118230718
Author: David Halliday
Publisher: Wiley, John & Sons, Incorporated
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Chapter 41, Problem 46P
To determine

To calculate:

dρ/dT at room temperature for

(a) copper

(b) silicon

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In a scene from The Avengers (the first one) Black Widow is boosted directly upwards by Captain America, where she then grabs on to a Chitauri speeder that is 15.0 feet above her and hangs on. She is in the air for 1.04 s. A) With what initial velocity was Black Widow launched?  1 m = 3.28 ft B) What was Black Widow’s velocity just before she grabbed the speeder?  Assume upwards is the positive direction.
In Dark Souls 3 you can kill the Ancient Wyvern by dropping on its head from above it.  Let’s say you jump off the ledge with an initial velocity of 3.86 mph and spend 1.72 s in the air before hitting the wyvern’s head.   Assume the gravity is the same as that of Earth and upwards is the positive direction.  Also, 1 mile = 1609 m.  A) How high up is the the ledge you jumped from as measured from the wyvern’s head?  B) What is your velocity when you hit the wyvern?
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