The answer I believe would be a sorry if I’m wrong
Answer:
Explanation:
To find the direction of this vector we need o find the angle that has a tangent of the y-component over the x-component:
but since we are in Q2 we have to add 180 degrees to that angle giving us 165.5 degrees
If you were given distance & period of time, you would be able to calculate the speed.
Hope this helps!
Answer:
Thus, the payback time for cavity wall insulation is 7.5 years
The answer is A. digestion of food. The chemical change to matter means that the molecule structure has been destroyed. For B, C and D. the matter are still ice, paper and ice. So they are physical change.