## burhan101 2 years ago Vectors pleaseeeeeeee help ! :) [attachment included]

1. burhan101

2. pooja195

?

3. burhan101

There's an attachment ..

4. Spacelimbus

Just evaluate the dot product between the given vectors, because that's how work is defined: $\Large F=Fs\cos\alpha =\vec{F}\cdot\vec{s}$

5. burhan101

There is no angle given

6. Spacelimbus

And that's where the RHS of the equation comes in handy, do you know how to compute the dot product?