1) A motorist traveles 80km/h to north for 6hrs and then 60km/h to east for 4 hrs. find the average speed and velocity.
2) the earth is on average 150 million km from the sun . calculate its average speed in oribt.
3) a runner jogs 12km north then turns an turns 16km east in 3 hrs.
A) what is his displacement
B) calculate his average speed and average velocity withh in direction