# P4.B Progress Check 4

## Quiz by ALEJANDRO URBY

High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)

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5 questions
• Q1
What are the given and implied variables in the situation above?
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
120s
112.39.c.4.b
• Q2
If you are trying to solve for the final velocity at t = 2s, which equation is necessary here?
a=(vf^2-vi^2)/2d
d=vi*t+(1/2)a*t^2
v=d/t
a=(vf-vi)/t
120s
112.39.c.4.b
• Q3
What is the final velocity at t = 2s?
6m/s
-18m/s
-1.5m/s
-22.6m/s
120s
112.39.c.4.b
• Q4
If the initial velocity is doubled, what would the new final velocity be at 2s?
-19.3m/s
3.5m/s
-25.6m/s
-23m/s
120s
112.39.c.4.b
• Q5
What would a velocity vs. time graph look like for the situation?
Curved line with a negative decreasing slope
Straight line with a constant negative slope
Straight line with a constant positive slope
Curved line with a negative increasing slope
120s
112.39.c.4.b

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