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प्रश्न
Fill in the following blank with suitable word:
The physical quantity which gives both, the speed and direction of motion of a body is called its……………
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उत्तर
The physical quantity which gives both, the speed and direction of motion of a body is called its velocity.
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संबंधित प्रश्न
What does the path of an object look like when it is in uniform motion?
Abdul, while driving to school, computes the average speed for his trip to be 20 km h−1. On his return trip along the same route, there is less traffic and the average speed is 30 km h−1. What is the average speed for Abdul’s trip?
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
Convert a speed of 54 km/h into m/s.
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 1 second ?
A train takes 2 h to reach station B from station A, and then 3 h to return from station B to station A. The distance between the two stations is 200 km. Find:
The average speed,
The average velocity of the train.
A car accelerates at a rate of 5 m s-2. Find the increase in its velocity in 2 s.
A car is moving with a velocity 20 m s-1. The brakes are applied to retard it at a rate of 2 m s-2. What will be the velocity after 5 s of applying the brakes?
Define variable velocity and give one example.
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
