L4_phys131_26sep07

L4_phys131_26sep07 - A rocket is launched vertically upward...

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A rocket is launched vertically upward, accelerating constantly for 16 seconds, and then the rocket engine is turned off. After 20 seconds, the rocket is 5100 meters above the ground. What is the rocket’s acceleration during the first 16 seconds? The setup and answer are given below, but you have to fill in the details. (3 unknowns, so 3 equations) ( 29 ( 29 2 01 2 1 2 1 2 1 1 2 01 2 1 01 1 01 1 01 1 s m 27 a t t g 2 1 t t v x x a 128 t a 2 1 x a 16 t a v = - - - = - = = = = t 2 =20s, x 2 =5100m, v 2 =? t 1 =16s, x 1 =?, v 1 =? t 0 =0s, x 0 =0m, v 0 =0m/s a 01 a 12
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Adding and subtracting vectors graphically:
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This note was uploaded on 04/09/2008 for the course PHYS 131 taught by Professor Reay during the Fall '08 term at Ohio State.

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L4_phys131_26sep07 - A rocket is launched vertically upward...

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