Question

The distance travelled by an object in time (100±1)s in (5.2±0.1)m. What is the speed and it's error

Answer 1

$s = d \times t \\ s = 5.2 \times 100 = 520$

$error \: in \: speed \: = ( \frac{0.1}{5.2} + \frac{1}{100} ) \times 520 = 10.4$

Speed =

$(520 \: plus \: or \: minus10.4)$