Question

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Answer 1

@MelissaHolmes

Answer 2

What do you think it is?

Answer 3

I don't know. I remember doing a problem like this before but it was a year ago and I can't remember >.<

Answer 4

I wrote h=-16t^2+1000 but I don't think that's right so far

Answer 5

That looks right to me

Answer 6

I just don't know what to do now haha

Answer 7

ok......

Answer 8

The problem up above is right^^

Answer 9

I think you graph it next....
I got -7.91 ....
I don't know if that helps O.o

Answer 10

h=-16t^2+hO. That is right. Good bye.;)

Answer 11

I'm not sure what to do next, though, do you have any idea?

Answer 12

Like would h=0?

Answer 13

Yes

Answer 14

And would i just have to solve for that to find velocity? Or is there more I need to do?

Answer 15

No. you just solve for that to find Velocity. Hope that helps:O

Answer 16

So 7.9 is the velocity?

Answer 17

I think 7.9 would be the time, wouldn't it? Not the velocity

Answer 18

Yes ooops sorry yes bye:)

Answer 19

just curious... where did you get the h=-16t^2+h0 from?

Answer 20

It was from another problem I did. But that was for calculating the time

Answer 21

I now got 140 for the velocity so I think that's right

Answer 22

Used a different formula

Answer 23

we know
a= -9.8 m/s^2
d= -1000 m (negative because we have defined down to be negative)
Vi= 0 m/s (the ball starts off stationary)
Vf= ? m/s

Answer 24

yes :)

Answer 25

another tip is that
h=-16t^2+hO

if you just put units in here you get

metres = seconds^2 + metres

and you can see that that would NOT equal metres! so that is another thing that you can check if you are wondering if you can use that equation or not

Answer 26

Okay good :) I was also wondering if I did something wrong because it said to the nearest 0.1 m/s and my answer;s a whole number

Answer 27

yes, that is kind of confusing

but I think we did everything right here

Answer 28

I hope so