A race car has a centripetal acceleration of 13.33 #m##/##s^2# as it goes around a curve. If the curve is a circle wilh radius 30 m, what is the speed of the car?

Answer 1

#=20\ \text{ m/s}#

The centripetal acceleration #a_c=13.33\ m/s^2# acting on a race car moving with a linear velocity #v# on a curved path radius #r=30\ m# is given as follows

#a_c=v^2/r#

#v=\sqrt{ra_c}#

#=\sqrt{30\cdot 13.33}#

#=20\ \text{ m/s}#

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Answer 2

Benjamin Asiedu

The speed of the race car is 20 m/s.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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