A set of experimental measurements is described as precise and not accurate. State what is meant by:
precise
not accurate.
An object of mass 
travels with speed 
in a circle of radius 
. The force 
acting on the object is given by:
The percentage uncertainties of three of the quantities are given in the table below.
The value of is determined from , and .
Calculate the percentage uncertainty in .
The value of is 
. Calculate the absolute uncertainty in .
.
.
