The height g metres, of a ball hit vertically upwards t seconds after it is hit, is given by g()= 41-. How long does it take for the ball to hit the ground?

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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QUESTION 21
The height g metres, of a ball hit vertically upwards t seconds after it is hit, is given by g()= 41-. How long does it take for
the ball to hit the ground?
OA. 2
O B. 0
OC.-2
O D.4
Transcribed Image Text:QUESTION 21 The height g metres, of a ball hit vertically upwards t seconds after it is hit, is given by g()= 41-. How long does it take for the ball to hit the ground? OA. 2 O B. 0 OC.-2 O D.4
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