Question

The acceleration of gravity is found by dropping a ball from various heights. The data for the experiment is as follows:

Distance, d (meters): 15.43 17.37 19.62 21.68

Time, t (seconds): 1.804 1.915 2.043 2.149

a.)

Copy these data and add a third row which contains the calculated accelerations due to gravity as given by g = 2d/t^2.

b.)

By finding the mean and standard deviation, show that the answer is inconsistent with the accepted value of g = 9.80 m/s^2.

c.)

Give two reasons why the result of part (b) suggests air resistance.

Answer 1