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#2-8. Velocity of a rotating particle A point is c

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Answer #1

In vector form, we have,

v⃗ = r⃗ x ω⃗

Now, r⃗ = -4 î - 5 ĵ + 5 k̂

So, we have,

v⃗ = (-4 î - 5 ĵ + 5 k̂) x (-î + k̂) = [(-4)*(-1)] î + [(-5)*(0)] ĵ + [(5)*(1)] k̂

=> v⃗ = [4 î + 0 ĵ + 5 k̂] m/s

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