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Any Physic Guru Here by jaeo(m): 10:52am On Sep 03, 2008 |
pls if there are any physics guru in the house please help me with this physics thanks an object is rejected from a horizontal surface with a velocity of 100mper sec at an angle to the horiyontal if the total time of flight is 10sec A. calculate the angle of projection B. range of motion take g to b 10 m per sec thanks pls i will really appreciate it here is my number just in case 07030594719 |
Re: Any Physic Guru Here by trilla(f): 11:15am On Sep 03, 2008 |
from, T=2usinP/g. where u is velocity, P is angle to the horizontal, g is 10m/s2. if we make P subject of formula, we get, P=arcsin(Tg/2u). so let us substitute the values of T, g, and U into the equation. this gives P=arcsin(10*10/2*100). this gives P=arcsin(100/200). P=arcsin(0.5). P=30 degrees.that gives the answer to A. then lets move to B.Range=U2sin2P/g. when we substitute, we get Range=100*100sin2(30)/10. Range=10000sin60/10. Range=1000sin60. Range=1000*0.8660=866metres. I hope u get it. |
Re: Any Physic Guru Here by adebayo300: 4:04pm On Sep 03, 2008 |
you are correct. physics student also. |
Re: Any Physic Guru Here by geolabious(m): 11:35am On Sep 04, 2008 |
@ poster am coming with my solution just that my scanner is bad so i wil go to a cafe to post the solution |
Re: Any Physic Guru Here by geolabious(m): 9:18pm On Sep 04, 2008 |
@poster Here is my own answer
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Re: Any Physic Guru Here by geolabious(m): 9:22pm On Sep 04, 2008 |
I called u but ur no was'nt available |
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