A ball is thrown at a 60.0° angle above the horizontal across level ground. It is...

A ball is thrown at a 60.0° angle above the horizontal across level ground. It is released from a height of 2.00 m above the ground with a speed of 16.0 m/s. How long does the ball remain in the air before striking the ground?

Please explain why variables are positive and negative in relation to direction positive or negative.

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genius_generous answered 1 year ago

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