A body accelerates uniformly from rest at 2ms-2. Calculate the magnitude of its velocity after travelling 9m
A
4.5 ms-1
B
6.0ms-1
C
18.0-1
D
36.0-1
Verified Correct Answer: B.
Physical Principles & Numerical Solution
v = \(\sqrt{U^2} + 2as = \sqrt{0^2} + 2 \times 2 \times 9 = 6\)m/s
Source: Myschool Past Questions Archive (Record #34845)