19. Exercises
From Mechanics
| Theory | Exercises |
Exercise 19.1
The acceleration, \displaystyle a \displaystyle \text{m}{{\text{s}}^{-2}}, of the cyclist, at time \displaystyle t seconds is given by: \displaystyle a=1-\frac{t}{15} for \displaystyle 0\le t\le 15.
The cyclist travels along a straight road.
a) Given that the cyclist starts at rest, find an expression for the velocity cyclist at time \displaystyle t.
b) What is the speed of the cyclist after 15 seconds?
c) How far does the cyclist travel in the 15 seconds?
Answer a
Loading...
Answer b
Answer c
Solution a
Solution b
Solution c
