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Mathematics 19 Online
zarkam21:

How to solve this with Angle?

zarkam21:

1 attachment
Vocaloid:

you have to resolve it into it's vertical component vertical component = velocity * sin(theta) where theta is the angle 41 degrees make sure your calc is in degree mode

zarkam21:

SO from that It would be D?

Vocaloid:

actually @sillybilly123 may I have some assistance on this one, physics isn't really my thing

sillybilly123:

31 sin 41

Vocaloid:

yeah, that's what I was thinking at first, but it's asking for the acceleration not velocity, how do I proceed from there? (having a brain fart)

zarkam21:

i got 20.3

sillybilly123:

voca it's - g

Vocaloid:

so is the final answer just -g (B) or do I have to also account for the initial velocity?

sillybilly123:

B

Vocaloid:

ok, then it's just B as your answer zark

zarkam21:

Oh okay. So how did we get that?

zarkam21:

9.8 is the rate is it just that?

Vocaloid:

there's only one force acting in the y-direction (not accounting for air resistance) so the only force causing acceleration in the y direction is from gravity

sillybilly123:

+1

zarkam21:

okay so B

Vocaloid:

yes

sillybilly123:

\(\huge \checkmark\)

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