Freefall is the motion that an object undergoes when the only force acting on the object is the force of gravity.Typically the vertical direction is labelled by the y coordinate and the constant acceleration equations of motion are simply modified(i.e. just replace a with y).v = vo + aty – Yo = vot + ať?y – Yo = } (vo + v) t v? = v3 + 2a (y – yo)Which of the following statements about freefall motion are correct?If an object in freefall has an downwards velocity of 10 m/s then the acceleration of gravity in the constant acceleration equations of motion isa = -g = -9.8 m/s².If an object in freefall has an upwards velocity of 10 m/s then the acceleration of gravity in the constant acceleration equations of motion isa = -g = -9.8 m/s².If the Y-coordinate system is chosen to point upwards (i.e. Y increases when moving up), then the acceleration of gravity in the constantacceleration equations of motion is a = -g= -9.8 m/s².For an object to be in freefall then it must be falling, i.e. moving in a direction towards the Earth.

The second and third statements are correct. Statement1: If downward velocity is taken as positive,…

Freefall is the motion that an object undergoes when the only force acting on the object is the force of gravity. Typically the vertical direction is labelled by the y coordinate and the constant acceleration equations of motion are simply modified (i.e. just replace æ with y). v = vo + at__y– yo = vot + ¿at² y– Yo = }(vo + v) t v² = vỷ + 2a (y – yo) Which of the following statements about freefall motion are correct?

Freefall is the motion that an object undergoes when the only force acting on the object is the force of gravity. Typically the vertical direction is labelled by the y coordinate and the constant acceleration equations of motion are simply modified (i.e. just replace æ with y). v = vo + at__y– yo = vot + ¿at² y– Yo = }(vo + v) t v² = vỷ + 2a (y – yo) Which of the following statements about freefall motion are correct?

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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Question

Freefall is the motion that an object undergoes when the only force acting on the object is the force of gravity.
Typically the vertical direction is labelled by the y coordinate and the constant acceleration equations of motion are simply modified
(i.e. just replace a with y).
v = vo + at
y – Yo = vot + ať?
y – Yo = } (vo + v) t v? = v3 + 2a (y – yo)
Which of the following statements about freefall motion are correct?
If an object in freefall has an downwards velocity of 10 m/s then the acceleration of gravity in the constant acceleration equations of motion is
a = -g = -9.8 m/s².
If an object in freefall has an upwards velocity of 10 m/s then the acceleration of gravity in the constant acceleration equations of motion is
a = -g = -9.8 m/s².
If the Y-coordinate system is chosen to point upwards (i.e. Y increases when moving up), then the acceleration of gravity in the constant
acceleration equations of motion is a = -g= -9.8 m/s².
For an object to be in freefall then it must be falling, i.e. moving in a direction towards the Earth.

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