data from a lab car: what is the average speed?

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T1=0.061s

T2=0.038s

PT=0.147s

Flag=4.4cm

Oct 21st, 2015

Thank you for the opportunity to help you with your question!

average speed= distance/time

distance=4.4cm

time=0.061 +0.038+ 0.147= 0.246

therefore; speed= 4.4/0.246

average speed = 17.89cm/s


Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 21st, 2015

the answer choices i have are:

a) 44cm/s

b) 299cm/s

c) 22cm/s

d) 94cm/s

.....

Oct 21st, 2015

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