Question

(b) A body is thrown up with a velocity of (7.8 ± 0.1) m/s. After some time ,the velocity of the

body is (12.3 ± 0.2) m/s. what is the change in velocity of the body with error limits?​

Answer 1

Answer:

answer is (4.5+-0.3)

becoz v(final)-v(initial) and error can never be subtracted only added