A Cannon Fires a 2-Kg Exploding Projectile Across a Level

question 68

Multiple Choice

A cannon fires a 2-kg exploding projectile across a level field on a windless day.The projectile leaves the cannon at a speed of 30 m/s at an angle of 60 degrees with respect to the horizontal.When the projectile reaches its maximum height,it explodes into two 1-kg pieces.One of the pieces falls straight down.How far away from the cannon does the second piece land?

• A)34 m
• B)40 m
• C)79 m
• D)92 m
• E)120 m

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