Question

A grandfather clock is found to gain 60.0 s every 24 hours. If the current length of the pendulum is 0.590 m, how much should the length be changed (in m) to make the clock accurate

Answer 1

Answer:

1.01m

Explanation:

period of pendulum = 2π√l/g

for length .59 m period is 1.54 s

every 24 hrs period increases by 60s or 1 min

except length rest of the components are constant

so the period becomes 2.54 at 24 hrs

for 2.54, the length is 1.601 m

length to be adjusted is 1.6-.59=1.01m