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A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging...

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Physics

A mortar* crew is positioned near the top of a steep hill. Enemyforces are charging up the hill and it is necessary for the crew tospring into action. Angling the mortar at an angle of θ = 57.0o (asshown), the crew fires the shell at a muzzle velocity of 241 feetper second. How far down the hill does the shell strike if the hillsubtends an angle φ = 36.0o from the horizontal? (Ignore airfriction.)

How long will the mortar shell remain in the air?

How fast will the shell be traveling when it hits theground?

Answer & Explanation Solved by verified expert
3.9 Ratings (765 Votes)
Given that Angling the mortar at an angle 57 degreemuzzle velocity v 241 ftseca the shell strike if the hill subtends an angle 360 from the horizontal at a distance which is given ason the vertical plane y d Sin eq1 y x Sin 360or y 0587 x eq2 using a trajectory equation y h x tan gx2 2 v2 Cos2 eq3 where h 0 mg acceleration due to gravity 322    See Answer
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