SOLUTION: If penny is dropped from an 800 foot building, how long does it take to hit the ground? Use the relationship: d equals 16 t squared⁣

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Question 1159266: If penny is dropped from an 800 foot building, how long does it
take to hit the ground? Use the relationship: d equals 16 t squared⁣
Answer by Amily_2190(27) About Me  (Show Source):
You can put this solution on YOUR website!
d=16t%5E2
800=16t%5E2.......divide by 16
50=t%5E2.....square root both sides
t=sqrt%2850%29
t=5sqrt%282%29 or approximately 7.07