A cannon is mounted on a tower above a wide, level field. The barrel of the cannon is 20 m above the ground below. A cannonball is fired horizontally with an initial speed of 900 m/s. Assuming air resistance can be neglected, approximately how long will the cannonball be in flight before it hits the ground?

asked by jordan

9 years ago

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1 answer

0.5g*t^2 = 20 m.
g = 9.8 m/s^2.
t = ?

answered by Henry

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Question

A cannon is mounted on a tower above a wide, level field. The barrel of the cannon is 20 m above the ground below. A cannonball is fired horizontally with an initial speed of 900 m/s. Assuming air resistance can be neglected, approximately how long will the cannonball be in flight before it hits the ground?

1 answer

0.5g*t^2 = 20 m.
g = 9.8 m/s^2.
t = ?

Ask a New Question or answer this question.

Henry · Answer

0.5g*t^2 = 20 m. g = 9.8 m/s^2. t = ?