6. Exercises

From Mechanics

(Difference between revisions)
Jump to: navigation, search
Line 30: Line 30:
</div>{{#NAVCONTENT:Answer|Answer 6.2|Solution a|Solution 6.2a|Solution b|Solution 6.2b}}
</div>{{#NAVCONTENT:Answer|Answer 6.2|Solution a|Solution 6.2a|Solution b|Solution 6.2b}}
 +
 +
 +
===Exercise 6.3===
 +
<div class="ovning">
 +
 +
The diagram shows a velocity-time graph for a lift.
 +
 +
[[Image:E6.3.GIF]]
 +
 +
a) Find the total distance travelled by the lift.
 +
 +
b) Calculate the acceleration of the lift during the last 2 seconds.
 +
 +
c) At what times is the speed of the lift 1 <math>\text{m}{{\text{s}}^{-1}}</math>?
 +
 +
 +
 +
</div>{{#NAVCONTENT:Answer a|Answer 6.3a|Answer b|Answer 6.3b|Answer c|Answer 6.3c|Solution a|Solution 6.3a|Solution b|Solution 6.3b|Solution c|Solution 6.3c}}

Revision as of 13:12, 11 September 2009

       Theory          Exercises      

Exercise 6.1

The graph shows how the velocity of a van changes during a short journey. Find the distance travelled by the van.

Image:E6.1.GIF

Answer
Answer 6.1
Solution
Solution 6.1


Exercise 6.2

The graph below shows how the velocity of a train changes as it travels along a straight railway line.


Image:E6.2.GIF

a) Find the total distance travelled by the train in the 180 seconds..

b) Find the acceleration of the train on the first stage of the motion.


Answer
Answer 6.2
Solution a
Solution 6.2a
Solution b
Solution 6.2b


Exercise 6.3

The diagram shows a velocity-time graph for a lift.

Image:E6.3.GIF

a) Find the total distance travelled by the lift.

b) Calculate the acceleration of the lift during the last 2 seconds.

c) At what times is the speed of the lift 1 \displaystyle \text{m}{{\text{s}}^{-1}}?


Answer a
Answer 6.3a
Answer b
Answer 6.3b
Answer c
Answer 6.3c
Solution a
Solution 6.3a
Solution b
Solution 6.3b
Solution c
Solution 6.3c
Retrieved from "http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php/6._Exercises"