Seven students recorded values for acceleration due to gravity whose accepted value for
acceleration due to gravity = 9.80665 m/s2
(to 6 s.f.). Their results are 9.81 m/s2
, 9.78 m/s2
, 9.65
m/s
2
, 9.87 m/s2
, 9.80 m/s2
, 9.81 m/s2
and 9.83 m/s2
.What is the possible cause of error is
caused Seven students recorded values for acceleration due to gravity?
20. The radius of a circle is measured to be (10.5 ±0.2) m. Calculate the (a) area and
(b) Circumference of the circle and give the uncertainty in each value.