Scalars and Vectors – Practice
Questions:
1) Describe the vector illustrated below using:
a) the convention shown
b) the sign convention shown
2) Describe the vector illustrated below using:
a) the convention shown
b) the sign convention shown
3) A red car (R) is travelling left at 5.2 m/s and a blue car (B) is travelling right at 9 m/s. Calculate the speed of the blue car relative to the red car.
4) Calculate the velocity of the red car relative to the green car:
Quick Answers:
1a) 12 N right b) -12 N
2a) 4 m/s up b) + 4 m/s
3) 14.2 m/s right
4) 60 m/s right
Worked Answers: