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Physics, 08.11.2019 10:31 dsdlskds3880

Aroller coaster starts at the top of a straight track that is inclined at 30degrees with the horizontal. this causes it to accelerate at a rate of 4.9m/s^2(1/2g).

a. what is the roller coaster's speed after 3 seconds?
b. how far does it travel during that time?

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