Describe and analyze motion in one dimension using equations and graphical vector addition with the concepts of distance, displacement, speed, average velocity, instantaneous velocity, frames of reference, and acceleration.
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Q 1/5
Score 0
What are the given and implied variables in the situation above?
120
vi=-9.8m/s, a=-3m/s^2, t=2s
vi=2m/s, a=-9.8m/s^2, t=3s
vi=-3m/s, a=-9.8m/s^2, t=2s
vi=-3m/s, a=2m/s^2, t=9.8s
Q 2/5
Score 0
If you are trying to solve for the final velocity at t = 2s, which equation is necessary here?
120
a=(vf^2-vi^2)/2d
d=vi*t+(1/2)a*t^2
v=d/t
a=(vf-vi)/t
5 questions
Q.
What are the given and implied variables in the situation above?
1
120 sec
112.39.c.4.b
Q.
If you are trying to solve for the final velocity at t = 2s, which equation is necessary here?
2
120 sec
112.39.c.4.b
Q.
What is the final velocity at t = 2s?
3
120 sec
112.39.c.4.b
Q.
If the initial velocity is doubled, what would the new final velocity be at 2s?
4
120 sec
112.39.c.4.b
Q.
What would a velocity vs. time graph look like for the situation?
