If X and T Represent Position and Time,respectively,the a in X

question 42

Multiple Choice

If x and t represent position and time,respectively,the A in x = A cos Bt must

• A)have the dimensions L/T.
• B)have the dimensions 1/T.
• C)have the dimensions L.
• D)have the dimensions L²/T ².
• E)be dimensionless.

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