A. 0.4 Joules
B. 0.5 Joules
C. 3 Joules
D. 0.3 Joules
The length of a pendulum is measured as 1.01 m and time for 30 oscillations is measured as one minute 3 seconds. Error lengths is 0.01 m and error in time is 3 secs.The percentage error in the measurement of acceleration due to gravity is