Answer:
you can plug it into a graphing calcuator right? or no
Step-by-step explanation:
Answer:
what
Step-by-step explanation:
When the penny hits the ground, h will = 0.
So: Set h(t) = 0 = -4.9t^2 + 0t + 150 m
Then 4.9t^2 = 150, and so t^2 = sqrt(150 / 4.9) = plus or minus 5.53 sec.
We can use only the positive root, as we're measuring time.
t = 5.5 sec (answer)
343^1/3
=(7)^3*1/3 [ 3 and 3 are cancelled]
=7
70,000 grams is 70 kilograms