Question 1 Select all that apply: consider an a small rocket launched straight up so that it reaches some maximum height, and then falls back to the ground, reaching its final velocity right before it hits the ground (i.e.Vf † 0). Assume air resistance is negligible (no air resistance). Which of these statements are correct? Select all that apply. |During the rockets trajectory, the acceleration of the rocket (a) = -9.81 m/s² Over the entire course of the rockets trajectory, average acceleration is zero. Over the entire course of the rockets trajectory, average velocity is zero. | Over the entire course of the rockets trajectory, average speed is zero. | The initial velocity of the rocket is equal to the final velocity of the rocket right before it hits the ground | The initial velocity and final velocity of the rocket (right before it hits the ground) are equal in magnitude but opposite in direction | The initial speed and final speed of the rocket (right before hitting the ground) are equal. | The total time it takes for the rocket to go up and come back down to the ground is twice the amount of time it takes for the rocket to reach its maximum height. | The acceleration decreases on the way up and increases on the way down.
Question 1 Select all that apply: consider an a small rocket launched straight up so that it reaches some maximum height, and then falls back to the ground, reaching its final velocity right before it hits the ground (i.e.Vf † 0). Assume air resistance is negligible (no air resistance). Which of these statements are correct? Select all that apply. |During the rockets trajectory, the acceleration of the rocket (a) = -9.81 m/s² Over the entire course of the rockets trajectory, average acceleration is zero. Over the entire course of the rockets trajectory, average velocity is zero. | Over the entire course of the rockets trajectory, average speed is zero. | The initial velocity of the rocket is equal to the final velocity of the rocket right before it hits the ground | The initial velocity and final velocity of the rocket (right before it hits the ground) are equal in magnitude but opposite in direction | The initial speed and final speed of the rocket (right before hitting the ground) are equal. | The total time it takes for the rocket to go up and come back down to the ground is twice the amount of time it takes for the rocket to reach its maximum height. | The acceleration decreases on the way up and increases on the way down.
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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Transcribed Image Text:Question 1
Select all that apply: consider an a small rocket launched straight up so that it
reaches some maximum height, and then falls back to the ground, reaching its final
velocity right before it hits the ground (i.e.Vf † 0). Assume air resistance is
negligible (no air resistance). Which of these statements are correct? Select all that
apply.
During the rockets trajectory, the acceleration of the rocket (a) = -9.81 m/s?
Over the entire course of the rockets trajectory, average acceleration is zero.
| Over the entire course of the rockets trajectory, average velocity is zero.
Over the entire course of the rockets trajectory, average speed is zero.
| The initial velocity of the rocket is equal to the final velocity of the rocket right
before it hits the ground
) The initial velocity and final velocity of the rocket (right before it hits the ground)
are equal in magnitude but opposite in direction
| The initial speed and final speed of the rocket (right before hitting the ground)
are equal.
| The total time it takes for the rocket to go up and come back down to the
ground is twice the amount of time it takes for the rocket to reach its maximum
height.
) The acceleration decreases on the way up and increases on the way down.
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