answer 209.72 ANS: See Figure 1(b), assuming now a thin wall is built 100 m away from the target, determine the minimum height of the wall that will prevent the cannon (launched at v = 100 m/s) from hitting the target at any launch angle 0. (c) wall v = 100 m/s target castle Figure 1(b) Consider a cannon launched with v 100 m/s at angle 0 and it hits the target in the castle, 50 m above ground and 800 m (horizontal distance) away from the cannon. v = 100 m/s target So- castle Figure 1(a)
answer 209.72 ANS: See Figure 1(b), assuming now a thin wall is built 100 m away from the target, determine the minimum height of the wall that will prevent the cannon (launched at v = 100 m/s) from hitting the target at any launch angle 0. (c) wall v = 100 m/s target castle Figure 1(b) Consider a cannon launched with v 100 m/s at angle 0 and it hits the target in the castle, 50 m above ground and 800 m (horizontal distance) away from the cannon. v = 100 m/s target So- castle Figure 1(a)
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