Advertisements
Advertisements
Question
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
Advertisements
Solution
Speed of the car = Distance/time taken
= `(1 "km")/(100 "s") = "1000 m"/"100 s" = "10 m/s"`
APPEARS IN
RELATED QUESTIONS
What is the Differnece between speed and velocity ?
Name the physical quantity which gives us an idea of how slow or fast a body is moving.
State whether speed is a scalar or a vector quantity. Give reason for your choice.
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How far does it travel in 6 seconds ?
The graph given alongside shows how the speed of a car changes with time:
(i) What is the initial speed of the car ?
(ii) What is the maximum speed attained by the car ?
(iii) Which part of the graph shows zero acceleration ?
(iv) Which part of the graph shows varying retardation ?
(v) Find the distance travelled in first 8 hours.
Define average velocity and give one example.
Give two examples of uniform circular motion from your daily life.
Distinguish between speed and velocity.
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
