When throwing a ball upwards, the velocity is positive, and the acceleration is negative. True of False?
1 answer:
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The centripetal acceleration is given by
where v is the tangential speed and r the radius of the circular orbit.
For the car in this problem,
and r=40 m, so we can re-arrange the previous equation to find the velocity of the car:
where v is the tangential speed and r the radius of the circular orbit.
For the car in this problem,
Answer:
5.5x 10^-11 C
Explanation:
Pls see attached file
