Question

WILL GIVE BRAINLIEST! A ball rolling down an inclined plane travels, in successive seconds, k feet, 2.5k feet, 4k feet, etc… . Find the distance traveled by the ball in the ninth second.

Answer 1

Answer:

Step-by-step explanation:

this is an arithmetic series

and to find out the 9th term

1 second       ....................... k feet

2 second...........................2.5 feet

3 sec.....................................4 feet

4 sec....................................5.5 feet

difference 1.5

5 sec................................7 feet

6 sec................................8.5

7 sec.................................10 ft

8

9second .............................................13 ft