Question

1. Compare the shapes of the three hills of your roller coaster. Are they all the same shape? Which hill(s) have the sharpest crests? How do the slopes of the hills compare?

Answer 1

@amistre64

Answer 2

@experimentX

Answer 3

@JA1

Answer 4

you can model this with lines instead of curves to get a better feel for it

Answer 5

I don't get it

Answer 6

im assuming the valleys are evenly distributed?

Answer 7

if we drop the heights by 20, and factor out 10

6 *

2 *
*
0 * * *
4 4 4 4 4

the slopes can be more easily determined

Answer 8

@amistre64 I still don't get it

Answer 9

ive attempted to make the process as simple as possible. Can you tell me what it is that you are not getting?

Answer 10

which one has the sharpest crest? how do the slopes compare??

Answer 11

how would you define the "sharper" crest?

Answer 12

<---- that one

Answer 13

correct, so given the same span at the base, the taller the hill, the sharper the crest

Answer 14

can you tell me how slope relates to it? which one has the steeper slope (steep sides)?

Answer 15

okay I know that the left one has a sharper crest, but idk how they compare..

Answer 16

you have 3 "hills" to compare ....

Answer 17

they have the same size base?

Answer 18

im assuming the same size bases yes

Answer 19

the taller the hill, the sharper the crest, the steeper the slope

the flatter the hill, the duller and flatter ......

Answer 20

so that question is answered?

Answer 21

im not the one grading it, so i wouldnt know how they actually want you to format the answer ... but those are the basics of it yes

Answer 22

2. What force(s) slowed down the tennis ball? How can this/these force(s) be reduced? @amistre64

Answer 23

from the roller coaster diagram above..