The measured quantity a, b ,c and x is calculated by using the relation x=ab2/c3.If the percentage errors in measurement of a, b and c are 4%,2% and 7%, calculate maximum percentage error in value of x obtained.

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The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.