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HelpMaths
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HelpMaths
Questions (4)
Let 𝑎⃗ and 𝑏 be two vectors in the xy plane making angles 𝜃 and ∅ with the x axis, respectively.
Use vector algebra
3 answers
571 views
Let P=(1,2,-1),Q=(3,-1,4),and R=(2,6,2)
be three vertices of a parallelogram PQRS. (a) Find the coordinates of S. (b) Find the
3 answers
1,240 views
Your engineering firm plans to design an elevator for a hospital.
The force exerted on a passenger by the floor of the elevator
2 answers
547 views
Consider a wet roadway banked as in the following figure, where there is a coefficient of static friction of 0.30 and a
1 answer
963 views
