igbona
An Olympic bobsled starts from rest and slides down a frictionless 9.00 slope. a) what is the final velocity after 18 seconds?



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hosein
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you mean that theta=9?

hosein
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\[mgsin \theta=ma \rightarrow a=gsin \theta \rightarrow V=(gsin \theta)t\]

igbona
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yeah \[\phi= 9 degrees\]

hosein
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so put theta in above friend

hosein
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did you get it?

igbona
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so \[V=(g \sin \theta) t\]
will be V=(9.8sin(9))18= 27.59

igbona
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m/s

igbona
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yes i got it correct..thank you

hosein
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your wellcome