Question

A machine part is undergoing SHM with a frequency of 5 Hz and amplitude 1.8 cm. How long does it take the part to go from x = 0 to x = - 1.8 cm?

• A. 1/20 s
• B. 1/15 s
• C. 1/10s
• D. 1/30 s

Answer 1

Answer: (A)

1/20 s

Answer 2

t = $\frac{T}{4} = \frac{1}{5 \times 4} = \frac{1}{20}s.$