
P4.B Progress Check 2
Quiz by ALEJANDRO URBY
High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)
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5 questions
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- Q1What are the variables given and implied from the situation above?d=443m, a=100m/s^2, vi=0m/sd=443m, a=-9.8m/s^2, vi=-9.8m/sd=443m, a=-9.8m/s^2, vi=0m/sd=443m, a=-9.8m/s^2, vi=0m/s120s112.39.c.4.b
- Q2Considering these known variables, which of the four equations above is needed to determine how long the penny will take to reach the ground?d=vi*t+1/2a*t^2a=(vf^2-vi^2)/2da=(vf-vi)/tv=d/t120s112.39.c.4.b
- Q3How long will it take for the penny to strike the ground, assuming no air resistance?6.7s45.2s90.4s9.5s120s112.39.c.4.b
- Q4How long would the penny take to strike the ground if the Empire State Building was twice as tall?9.5s9.8s13.4s100s120s112.39.c.4.b
- Q5What would the acceleration vs. time graph look like for the penny? Make sure to include relevant information from the situation.Straight line with a negative slopeCurved line with a negative increasing slope.Straight line with a positive slopeStraight line on -9.8m/s^2120s112.39.c.4.b