What is Percentage error?

Time of fall of a body =(10.0pm0.5) sec Acceleration due to gravity =(9.80pm0.02)ms^(-2) What (i) percentage error in the distance described, (ii) absolute error in the distance described?

What is the percentage error in kinetic energy if the percentage of error in momentum is 100%?

Given relative error in the measurement of length is 0.02, what is the percentage error?

lf the percentage error in the measurement of radius ‘R’ of a sphere is 2%. What is the percentage error in its volume?

The percentage error in the calculation of the volume of a sphere is 4.8%. What is the percentage error in the measurement of radius of the sphere.

The error in the measurement of the radius of a sphere is 0.2%. What is the percentage error in the measurement of its surface area?

What is the percentage error in the value of the density of a copper cube, if the errors in the measurement of its mass and the length of one side are 3% and 4% respectively?