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Author Topic: Few Mechanics Questions  (Read 3704 times)

Offline yasser37

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Few Mechanics Questions
« on: October 16, 2010, 02:55:23 pm »
Hi guys

tomorrow is my monthly exam and I did MANY questions but couldn't do these.

any help would be appreciated

Questions 11 and 12

http://img375.imageshack.us/img375/7665/91760441.png



Question 9

http://img269.imageshack.us/img269/3013/37553990.png



Question 12

http://img169.imageshack.us/img169/9081/91219203.png


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Freaked12

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Re: Few Mechanics Questions
« Reply #1 on: October 16, 2010, 03:24:48 pm »
I will 11 and maybe 12
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Offline yasser37

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Re: Few Mechanics Questions
« Reply #2 on: October 16, 2010, 03:32:22 pm »
that would be great mate

thanks

waiting
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nid404

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Re: Few Mechanics Questions
« Reply #3 on: October 16, 2010, 03:35:09 pm »
Gimme some time...
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Offline yasser37

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Re: Few Mechanics Questions
« Reply #4 on: October 16, 2010, 04:09:18 pm »
tyt m8

I have until tomorrow morning lol
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Offline iluvme

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Re: Few Mechanics Questions
« Reply #5 on: October 16, 2010, 04:27:15 pm »
Quote from: yasser37 on October 16, 2010, 02:55:23 pm
Hi guys

tomorrow is my monthly exam and I did MANY questions but couldn't do these.

any help would be appreciated

Question 12

http://img169.imageshack.us/img169/9081/91219203.png




12. (a) Is it 40.52m?
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Offline yasser37

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Re: Few Mechanics Questions
« Reply #6 on: October 16, 2010, 04:32:18 pm »
62.8m
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Offline iluvme

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Re: Few Mechanics Questions
« Reply #7 on: October 16, 2010, 04:35:14 pm »
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Offline yasser37

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Re: Few Mechanics Questions
« Reply #8 on: October 16, 2010, 04:39:27 pm »
Thanks for trying

I appreciate it
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Offline S.M.A.T

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Re: Few Mechanics Questions
« Reply #9 on: October 16, 2010, 05:12:49 pm »
Is it  36.9 for 11)(angle of projection)  ??? ???

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Offline yasser37

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Re: Few Mechanics Questions
« Reply #10 on: October 16, 2010, 05:26:10 pm »
it's 35.9

u r SO CLOSE!

aaah

thanks anyway
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Offline S.M.A.T

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Re: Few Mechanics Questions
« Reply #11 on: October 16, 2010, 05:32:24 pm »
Quote from: yasser37 on October 16, 2010, 05:26:10 pm
it's 35.9

u r SO CLOSE!

aaah

thanks anyway

i used 9.8 as the value of g.i think that was my mistake :-\
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"A man's life is interesting primarily when he has failed - I well know. For it's a sign that he tried to surpass himself." Clemenceau, Georges

nid404

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Re: Few Mechanics Questions
« Reply #12 on: October 16, 2010, 05:34:05 pm »
I did the 9th one....airplane thingy *attached*
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nid404

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Re: Few Mechanics Questions
« Reply #13 on: October 16, 2010, 05:44:24 pm »
Are the others all left to be done? I'll try..
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Offline S.M.A.T

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Re: Few Mechanics Questions
« Reply #14 on: October 16, 2010, 05:51:56 pm »
Quote from: yasser37 on October 16, 2010, 02:55:23 pm
Hi guys

tomorrow is my monthly exam and I did MANY questions but couldn't do these.

any help would be appreciated

Questions 11 and 12

http://img375.imageshack.us/img375/7665/91760441.png



i found my mistake here :).........don't worry about the g .......g cancel out from equation ;)
12) is same as 11)......the only difference is u have to find initial speed instead of angle :)........if u don't understand than i can explain u :)
« Last Edit: October 16, 2010, 05:59:11 pm by asiftasfiq93 »
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"A man's life is interesting primarily when he has failed - I well know. For it's a sign that he tried to surpass himself." Clemenceau, Georges
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