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sarah_hendrix7
 3 years ago
Please help??
sarah_hendrix7
 3 years ago
Please help??

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shubhamsrg
 3 years ago
Best ResponseYou've already chosen the best response.0How comfortable are you with eqns of motion ?

Outkast3r09
 3 years ago
Best ResponseYou've already chosen the best response.0Did you figure out your question?

AravindG
 3 years ago
Best ResponseYou've already chosen the best response.0please post this in physics group

Outkast3r09
 3 years ago
Best ResponseYou've already chosen the best response.0what is the problem? A lot of problems assigned to mathematics classes are actually simple physics problem

PhoenixFire
 3 years ago
Best ResponseYou've already chosen the best response.1@sarah_hendrix7 Do you still need help?

sarah_hendrix7
 3 years ago
Best ResponseYou've already chosen the best response.0@PheonixFire If you're willing, I'd love some help.

binarymimic
 3 years ago
Best ResponseYou've already chosen the best response.0what do you know about an object in freefall? what equation governs its trajectory? in this case it's a single dimensional trajectory. think of the acceleration due to gravity.

PhoenixFire
 3 years ago
Best ResponseYou've already chosen the best response.1Use the equation \[x_f=x_o+v_ot+{1 \over 2}at^2\] Xf is final position Xo initial position Vo initial velocity a acceleration (in this case just gravity) t time For your problem you can set Xo=0, Vo=0. plug in the rest and you'll know how far the object has fallen after time of 1.1 sec. I know this equation is not really needed because the values get set to 0 so here's the shorter version people tend to remember more: \[h={1 \over 2}at^2\]Now you know for reference where this equation is from.

PhoenixFire
 3 years ago
Best ResponseYou've already chosen the best response.1For question (b) take the first equation I gave you and rearrange for Vo. plug in the values and you should get the answer.
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