Question

A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 41.2 m above the ground. The projectile strikes the ground with a speed of 1.1v0. Find v0. (Ignore any effects due to air resistance.)

A cannonball is fired with initial speed vo at an angle 30° above the horizontal from a height of 41.2 m above the ground. The projectile strikes the ground with a speed of 1.1vo. Find vo. (Ignore any effects due to
air resistance.)
X m/s

Image Transcription

A cannonball is fired with initial speed vo at an angle 30° above the horizontal from a height of 41.2 m above the ground. The projectile strikes the ground with a speed of 1.1vo. Find vo. (Ignore any effects due to air resistance.) X m/s

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