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 variables given and implied from the situation above?
120
d=443m, a=100m/s^2, vi=0m/s
d=443m, a=-9.8m/s^2, vi=-9.8m/s
d=443m, a=-9.8m/s^2, vi=0m/s
d=443m, a=-9.8m/s^2, vi=0m/s
Q 2/5
Score 0
Considering these known variables, which of the four equations above is needed to determine how long the penny will take to reach the ground?
120
d=vi*t+1/2a*t^2
a=(vf^2-vi^2)/2d
a=(vf-vi)/t
v=d/t
5 questions
Q.
What are the variables given and implied from the situation above?
1
120 sec
112.39.c.4.b
Q.
Considering these known variables, which of the four equations above is needed to determine how long the penny will take to reach the ground?
2
120 sec
112.39.c.4.b
Q.
How long will it take for the penny to strike the ground, assuming no air resistance?
3
120 sec
112.39.c.4.b
Q.
How long would the penny take to strike the ground if the Empire State Building was twice as tall?
4
120 sec
112.39.c.4.b
Q.
What would the acceleration vs. time graph look like for the penny? Make sure to include relevant information from the situation.
