# Answer to Question #56260 in Mechanics | Relativity for adeshina

Question #56260

15 if two vectors are represented in magnitude and direction by adjacent sides of a parallelogram the resultant is represented in magnitude and direction by the __________ drawn from the origin of the vectors

vertices

diagonal

two sides

remaining side

16 a particle moves along the x-axis in such a way that its position at any instant is given by

x−5t2+1

, where

x

is in metres and

t

is in seconds. calculate its average velocity in the time interval between 2s and 3s.

25ms−1

30ms−1

50ms−1

15ms−1

vertices

diagonal

two sides

remaining side

16 a particle moves along the x-axis in such a way that its position at any instant is given by

x−5t2+1

, where

x

is in metres and

t

is in seconds. calculate its average velocity in the time interval between 2s and 3s.

25ms−1

30ms−1

50ms−1

15ms−1

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