The kinetic energy of a block is measured to be and its speed is

PHYSICS · Single correct · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

The kinetic energy of a block is measured to be

(600\,\pm\,12)\,\text{J}

and its speed is

(15.0\,\pm\,0.2)\,\text{m\!/s}

. Using these data, the mass of the block is best reported as _____ with a percentage error of _____. (a)

5.3\,\text{kg},\;4.7\%

(b)

5.3\,\text{kg},\;2.4\%

(c)

5.3\,\text{kg},\;3.3\%

(d)

5.6\,\text{kg},\;3.3\%