Question

The resultant of two vectors of magnitude 24 and 2A acting at an angle O is loſ The correct Value of o is : ca 30° (b) uso (5) 60 ° (d, 90°​

Answer 1

Answer:

here is your answer

Explanation:

r = root a square + b square + 2[a][b]cos thita

here |R| = root 10

|A| = 2

|B| = root 2

root 10 = root 4 + 2 + 2X2root2 X cos thita

4 = 4root2 cos thita

cos thita = 1/root 2

thita = 45degree