1.

Five vectors vecA, vecB, vecC,vecD and vecE have magnitude10, 12 sqrt(2), 20, 20 and10 unitrespectively, they aredireacted as shown in thefig. 3.58 Answer the following questions :

Answer»


SOLUTION :`vecA = 10hati,""vecB= 12 HATI +12 HATJ`
`VECC = - sqrt(3) 10hati + 10 hatj" ", "" vecp= 10hati-10sqrt(3) hatj`
`VECD = -10hatj`
`(vecA + vecC+ vecD) = - 10sqrt(3)hati + (10-10sqrt(3))hatj`
x component = `-10sqrt(3)`
y component = `10-10sqrt(3)`


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