4.5m/s you count the number between 6 and 14 and get 9 do 9 divided by 2 and you get 4.5 m/s increase. hope this helps.
Answer: 4575N
Explanation:
For y component, W = mgcosø
W = 500×9.8cos21
W = 4574.54N
Find the diagram in the attached file
Is it just me or can anyone else not see a graph? (Because I can’t)
21. light changes its direction when travelling through a new medium because denser mediums have a higher angle of refraction.