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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
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft’s altitude, how long will it take to reach the ‘sound barrier’ ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
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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 speed of a moving object is determined to be 0.06 m/s. This speed is equal to :
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
Express the following in m s-1.
18 km min-1
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The velocity-time graph of a moving body is given below in Figure

The acceleration in parts AB, BC and CD.
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
