16) at an angle of 43° above the horizontal. a) Find the total horizontal distance it moves when it returns to its initial height? b) What is its speed 2.1 s after it is fired? Figure shows a projectile that is fired with an initial speed of 25 m/s 25 m/s 43° c) What is its displacement vector 2.1 s after it is fired?

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter3: Vectors And Two-Dimensional Motion
Section: Chapter Questions
Problem 51AP: A rocket is launched at an angle of 53.0 above the horizontal with an initial speed of 100. m/s. The...
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16)
at an angle of 43° above the horizontal.
a) Find the total horizontal distance it moves when it returns to its initial
height?
b) What is its speed 2.1 s after it is fired?
Figure shows a projectile that is fired with an initial speed of 25 m/s
25 m/s
43°
c) What is its displacement vector 2.1 s after it is fired?
Answers: a) x = 63.62 m, b) v = 18.62 m/s,
c) Ař = (38.4î + 14.2j) m
Transcribed Image Text:16) at an angle of 43° above the horizontal. a) Find the total horizontal distance it moves when it returns to its initial height? b) What is its speed 2.1 s after it is fired? Figure shows a projectile that is fired with an initial speed of 25 m/s 25 m/s 43° c) What is its displacement vector 2.1 s after it is fired? Answers: a) x = 63.62 m, b) v = 18.62 m/s, c) Ař = (38.4î + 14.2j) m
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