7. At t = 0, a particle leaves the origin with avelocity of u 9.0m/s j the xy plane with an acceleration of a 2.0i- 4.0j m/s2. At the instant the x coordinate of the particle is 15 m, what is the speed of the particle? A. 10 m/s B. 16 m/s C. 12 m/s D. 14 m/s E. 26 m/s maximum height above ch se, 2019. Departme

7. At t = 0, a particle leaves the origin with avelocity of u 9.0m/s j the xy plane with an acceleration of a 2.0i- 4.0j m/s2. At the instant the x coordinate of the particle is 15 m, what is the speed of the particle? A. 10 m/s B. 16 m/s C. 12 m/s D. 14 m/s E. 26 m/s maximum height above ch se, 2019. Departme

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 31PQ: A newly established colony on the Moon launches a capsule vertically with an initial speed of 1.50...

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*64. A jetliner can fl y 6.00 hours on a full load of fuel. Without any windit fl ies at a speed of 2.40 3 102 m/s. The plane is to make a round-trip byheading due west for a certain distance, turning around, and then headingdue east for the return trip. During the entire fl ight, however, the planeencounters a 57.8-m/s wind from the jet stream, which blows from westto east. What is the maximum distance that the plane can travel due westand just be able to return home?
I don't understand how you can use the initial x velocity and final y velocity for the resultant velocity?
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1e. A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 18.5 m/s. The cliff is h = 20.0 m above a flat, horizontal beach as shown in the figure. How long after being released does the stone strike the beach below the cliff? (in seconds)
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