Asked by Yemi

Find the resultant of two vectors of 3 units and 4 units acting at a point 0 at an angle of 45 degrees with each other
Answered by Bosnian
R² = a² + b² + 2 a b cos θ

R = √ ( a² + b² + 2 a b cos θ )

R = √ ( 3² + 4² + 2 ∙ 3 ∙ 4 ∙ cos 45° )

R = √ ( 9 + 16 + 24 ∙ cos 45° )

R = √ ( 25 + 2 ∙ 12 √2 / 2 )

R = √ ( 25 + 12 √2 )

R = 6.4784691671
Answered by henry2,
33[45o]+4[90o] = (3*cos45+4*cos90) + (3*sin45+4*sin90)i
2.12+6.12i = 6.48[71o].

Answered by Emmanuel Anthony
Find The resultant of two vector of 3 unit and 4 unit acting at a point 0 at an angle of 45 with each other
Answered by aliyah
19.1
Answered by YAHAYA
FIND THE RESULTANT OF 2 VECTORS OF 3UNITS AND 4UNITS ACTING AT POINT 0 AT AN ANGLE OF 45 DEGREE OF EACH OTHER, USING THE TRIANGULAR METHOD.
Answered by Anonymous
19.11
Answered by Habeeb
R=a + b +2a
R=a + b
R=
R=
R=
R=
R=
R=
R=
R=
R=
Answered by Habeeb
Understand
Answered by Miracle
Sharp, smart, interesting, beautiful, wow nice
Answered by Miracle
Your triangular method is not complete
Answered by goodness
6.48
Answered by Gloria
6.48






Answered by Blessing
Using cosine rule
OC²=OA²+OB²+2(OA)*(OB)*cos(180_135)=
=3²+4²+2(3)(4)*cos45
=9+16+2*3*4*0.7071
=25+24*0.7071
=25+16.970
=√41.9704
=6.48 units.
Answer
Find the resultant of two vector of 3 units and 4 units acting at a point 0 at and angle of 45° with each other
In parallelogram of vector
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