A shell is fired at a ground level target 490m away with an initial velocity 98 m/s . Find two possible values of lauch angel. calculate the minimum , to heat the target ..??
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R =u^2*sin 2theta /g
490 =98*98*sin 2theta /9.8
Sin 2theta =1/2
Angel =15,75
490 =98*98*sin 2theta /9.8
Sin 2theta =1/2
Angel =15,75
xheikhfiza:
How
ok siso TnXx
sure why not
done
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Answer:
T(min)5.17sec
Angle15⁰
Explanation:
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