An experimenter drops a ball from a height of and records the following times for…

PHYSICS · Subjective · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

An experimenter drops a ball from a height of

1.5\,\text{m}

and records the following times for three independent trials:

0.55\,\text{s}

0.57\,\text{s}

and

0.56\,\text{s}

. (i) Calculate the value of

g

for each trial. (ii) Find the average value of

g

. (iii) Determine the percentage error of the average value when compared with the standard value

9.8\,\text{m/s}^2