Question

A particle has an initial velocity of
4 +3; and an acceleration of
0.4i + 0.3j. Its speed after 10 s is
(A) 10 units
(B) 7 units
(C) 7V2 units
(D) 8.5 units​

Answer 1

Answer:

v= u+ a t

v=(3

i^+4

j^)+10(0.4

i^ +0.3j)

v =7 i

^ +7 j^

∣ v ∣=7 2

Explanation:

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Answer 2

Answer:

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