Questions
Question
Find the distance travelled by Caitlyn if she sprints at an average speed of 9 m/s for 4 seconds.
d = s 脳 t
Distance moved = 9 m/s 脳 4 s = 36 m
The distance travelled by Caitlyn is 36 m.
Question
Find the time taken to cover 256 m at an average speed of 8 m/s.
t = d 梅 s
Time = 256 m 梅 8 m/s = 32 s.
The time taken is 32 s.
Question
Find the velocity of a train if it covers 1000 metres in a south direction in 25 seconds.
v = displacement 梅 time
The displacement = 1000 m south
Velocity v = 1000 m 梅 25 s = 40 m/s south. Don鈥檛 forget the direction!
The velocity of the train is 40 m/s south.