What are the magnitude and direction of a vector that has an x component of −25.0 units and a y component of −54.0 units?

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter2: One Dimensional Motion
Section: Chapter Questions
Problem 15PQ: A train leaving Albuquerque travels 293 miles, due east, to Amarillo. The train spends a couple of...
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1.a.What are the magnitude and direction of a vector that has an x component of −25.0 units and a y component of −54.0 units? 

1.b.In Example 2.12, two circus performers rehearse a trick in which a ball and a dart collide. Horatio stands on a platform 7.8 m above the ground and drops a ball straight down. At the same moment, Amelia uses a spring-loaded device on the ground to launch a dart straight up toward the ball. The dart is launched at 16.0 m/s. Find the time and height of the collision by simultaneously solving the equations for the ball and the dart. (Due to the nature of this problem, do not use rounded intermediate values in your calculations—including answers submitted in WebAssign.) 

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