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Please solve the given question I know the answer but I need explanation also PLEASE help ​

Please solve the given question I know the answer but I need explanation also PLEASE help ​
asked 161k views
4 votes
Please solve the given question

I know the answer but I need explanation also

PLEASE help ​

Please solve the given question I know the answer but I need explanation also PLEASE-example-1
asked
User Joepd
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7.4k points

1 Answer

11 votes

R² = F1² + F2² + 2 F1.F2 cos α ⇒cosinus

F1 and F2 perpendicular, α = 90°, cos 90° = 0


\tt R=√(3^3+4^2)=5

answered
User Seralouk
by
8.8k points
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