Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 4 sec when the length is 64 inches, what is the period when L = 2.25 inches?
A. 4.5 sec
B. 4.75 sec
C. 0.75 sec
D. 4.25 sec
Answer: C
Mathematics
You might also like to view...
Use identities to simplify the expression.
A. - cot2 x cos x
B. cot4 x
C. -cot2 x
D. 
Mathematics
Write the expression in standard form.(2 + 9i)(7 + 3i)
A. 27i2 + 69i + 14 B. -13 + 69i C. 41 + 57i D. -13 - 69i
Mathematics
Find the mean. If necessary, round to one decimal place.In a physics class, the following test scores were recorded for a student: 75, 55, 75, 90, 55.
A. 69.5 B. 70 C. 87.5 D. 70.5
Mathematics
Solve using the division principle.-136 = -8n
A. 2 B. -128 C. 17 D. 128
Mathematics