Question

Please help!!!!!

the distance a body falls varies directly as the square of the time that it falls. If it falls 867 meters in 17 seconds how far will it fall in 4 seconds? Please show me how you did this! I need to know how to do it Thank you!

Answer 1

Hi, I think it is as follows:

If d= distance(m), and k= constant, and t = time (sec)

Using the info above, it is true that d=kt^2 (where ^2 means squared)
Initially, using the figures above, 867 = k x 17^2 = k x 289
Therefore k = 3.

So if t = 4, you have d = 3 x 4^2 = 3 x 16 = 48m.

Hope this helps :D

Answer 2

Oh thank you so very much!!!! :) I have one more problem if you can help

Answer 3

yea sure post it !! :D

Answer 4

as a new question!!

Answer 5

ok yellows very inversely as grays cubed. When there are 270 yellows there are 29 grays how many yellows are present when there are 6 grays?

Answer 6

ok