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Question: .Three coplanar forces act upon a mass of 5 kg. With the usual notation the forces, in newtons, are ...

.Three coplanar forces act upon a mass of 5 kg. With the usual notation the forces, in newtons, are 9i^–2j^,–3i^+10j^9\widehat{i}–2\widehat{j},–3\widehat{i} + 10\widehat{j} and 18i^–j^.18\widehat{i}–\widehat{j}. Then the acceleration of the mass is (in m/s2) –

A

25

B

5

C

625

D

45

Answer

5

Explanation

Solution

a = NetforceMass\frac{Netforce}{Mass}