Question

.v = 3.0ˆi + 4.0ˆj velocity of an object is represented as .the magnitude of the velocity is

(a) 9m/s
(b) 5m/s
(c) 4m/s
(d) 7 m/s​

Answer 1

Answer:

b. 5m/s

Explanation:

$\sqrt{(3)^{2} + 4^{2} }$

=

$\sqrt{9 + 16} = \sqrt{25} = 5$