Need help with Science

Science
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 person drives a car around a circular cloverleaf with a radius of 82 m at a uniform speed of 10 m/s.
(a) What is the acceleration of the car?

(b) Compare this answer with the acceleration due to gravity as a percentage. 

May 23rd, 2015

a

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May 23rd, 2015

im sending the answer in a minute. Had a problem with network.

May 23rd, 2015

(a) Acceleration = Change in speed/time

       time = Distance/speed

               = (3.142 x 82 x 2)/10

               = 51.54

      Acceleration = (10 - 0)/51.54

                           = 0.194 m/s^2

(b) Acceleration due to gravity = 9.8 m/s^s

           percentage = 0.194/9.8 x 100

                              = 1.98%


Thanks for the patience.

May 23rd, 2015

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