A jet plane lands with a speed of 88 m/s and can accelerate at a maximum rate of -4.30 m/s? as it comes to rest.(a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest?(b) Can this plane land on a small tropical island airport where the runway is 0.800 km long?YesNo

Given data: Initial velocity (v0) = 88 m/s Acceleration (a) = -4.30 m/s2 Final velocity (v) = 0 m/s,…

Answered: A jet plane lands with a speed of 88…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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True or false: If an object accelerates from rest covering 2.0m in 1.0s in the forwards direction then, even though its average velocity is 2.0m/s its instantaneous velocity (or vf in your equations) will be 4.0m/s at t=1.0s and its initial velocity (vi in your equations) will be 0.0m/s at t=0
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a car travels on a straight, level road. a) Starting from rest, the car is going 42 ft/s (29 mi/h) at the end of 4.5 s. What is the car's average acceleration in ft/s2? b) In 3.5 more seconds, the car is going 84 ft/s (57 mi/h). What is the car's average acceleration for this time period? (c) The car then slows to 63 ft/s (43 mi/h) in 2.5 s. What is the average acceleration for this time period? (d) What is the overall average acceleration for the total time?
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A basketball player jumps straight up for a ball. To do this, he lowers his body 0.310 m and then accelerates through this distance by forcefully straightening his legs. This player leaves the floor with a vertical velocity sufficient to carry him 0.940 m above the floor. (a) Calculate his velocity (in m/s) when he leaves the floor. (Enter a number.) m/s (b) Calculate his acceleration (in m/s²) while he is straightening his legs. He goes from zero to the velocity found in part (a) in a distance of 0.310 m. (Enter a number.) m/s² (c) Calculate the force (in N) he exerts on the floor to do this, given that his mass is 104 kg. (Enter a number.) N
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Here we go again (yes, this set of questions is starting to feel like Groundhog Day). You AGAIN wake up in a strange room, and this time you drop a ball from a height of 2.41 m, and observe that it hits the floor 0.421 s after you drop it. In this case you suspect you are in deep space, far from any planet or star, and that your rocket is accelerating due to the push of its own engines under the floor. In this case, what must the acceleration of your rocket be? 1 43.5 m/s^2 2 43.5 m/s^2 3 13.6 m/s^2 4 20.4 m/s^2
The next few questions challenge you to figure out the acceleration due to gravity ( g ) on various hypothetical alien planets. On Planet #1, you drop a stone from rest, 63.8 m above the ground, and the stone hits the ground 3.88 s later. What is the value of g on Planet #1? 16.44 m/s^2 32.89 m/s^2 8.48 m/s^2 4.24 m/s^2

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