Question

a car turns a corner at 10mph. If it were to turn the corner at 30 mph, the centripetal acceleration would be ___
nine times larger
three times larger
one third as large
one ninth as large

Answer 1

Answer on Question #43382, Physics, Acoustics

a car turns a corner at 10mph. If it were to turn the corner at 30 mph, the centripetal acceleration would be ???? nine times larger; three times larger; one third as large;one ninth as large.

Solution

Correct answer is ”nine times larger”, because centripetal acceleration and velocity are connected as

$a=\frac{v^{2}}{r}$

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