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प्रश्न
Which of the quantity-velocity or acceleration-determines the direction of motion?
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उत्तर
Velocity determines the direction of motion.
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संबंधित प्रश्न
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
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.
Which of the following can sometimes be 'zero' for a moving body?
(i) average velocity
(ii) distance travelled
(iii) average speed
(iv) displacement
Give an example of motion in which the average speed is not zero but the average velocity is zero.
The diagram below shows the pattern of the oil on the road at a constant rate from a moving car. What information do you get from it about the motion of the car.
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?
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
What are the uses of equations of motion?
