A pulse on the string of a ball hanging in a car travels at 60 cm/s when the car is at rest and 65 cm/s when it accelerates. Find the acceleration ( $g = 10$ ). (answer in $m/ s^{2}$ ).
Answer:
6.14
Solution:
$(\frac{65}{60})^{4} = 1.377$ . $a = 10 1.377 - 1 = 6.14$ m/s².

Question

A pulse on the string of a ball hanging in a car travels at 60 cm/s when the car is at rest and 65 cm/s when it accelerates. Find the acceleration ( g = 10 ). (answer in m/ s 2 ).

TestHub · Accepted Answer

( 60 65 ​ ) 4 = 1.377 . a = 10 1.377 − 1 ​ = 6.14 m/s².

Physics - Wave on String Question with Solution | TestHub

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