Marco wants to buy the used sports car with the greatest acceleration.
Car A can go from 0 m.s-1 to 18,9m.s-1 in 4,00 s.
Car B can accelerate from 0 m.s-1 to 22,4 m.s-1 in 3,50 s.
Car C can go from 0 to 26,8 m.s-1 in 6,00 s.
Rank the three cars from greatest acceleration to least.
Car C
Car B
Car A
Question 2
2.
The table shows the velocity of a student walking down the hallway between classes.
1. What is his acceleration between t = 10,0 s and t = 20,0 s? Answer: _______ m.s-2
2. What is his acceleration between t = 60,0 s and t = 61,0 s? Answer: _______ m.s-2
Question 3
3.
What quantity is the rate of change of velocity?
Question 4
4.
Which swimmer swam the furtherest?
Question 5
5.
Consider the following distance vs time graph showing the motion of two cars, car A and car B which are initially 500 m apart and travelling towards each other. How far has car A travelled when the cars pass each other?
Question 6
6.
Consider the following distance vs time graph showing the motion of two cars, car A and car B. How do the speeds of the cars compare?
Question 7
7.
A bus travels a distance of 120 km with a speed of 40 km.h-1 and then another 60 km with a speed of 30 km.h-1. Calculate the average speed for the entire journey.