A car begins from a point and moves in the North direction for 26 km and then takes a U-turn moves back along the same road in the South direction for 7 km. What is the total distance travelled
by the car? If the distance in the North direction is represented by a positive integer, what will be
the sign for the distance travelled in the South direction?
Answers
South represented by =negative integer
Given : A car begins from a point and moves in the North direction for 26 km and then takes a U-turn moves back along the same road in the South direction for 7 km.
the distance in the North direction is represented by a positive integer,
To Find : total distance travelled by the car
what will be the sign for the distance travelled in the South direction
Solution:
the distance in the North direction is represented by a positive integer,
Then distance travelled in the South direction is represented by -ve sign
But Distance is always taken positive
Hence total Distance travelled = | 26 | + | - 7 |
= 26 + 7
= 33 km
Final position from the starting point = 26 - 7 = 19 km North
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