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प्रश्न
Speed is a ______ quantity whereas velocity is a ______ quantity.
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उत्तर
Speed is a scalar quantity whereas velocity is a vector quantity.
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संबंधित प्रश्न
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
If a body traverses a distance in direct proportion to the time, the speed of the body is ______.
______ is a scalar quantity.
Is the average speed during different time intervals for a uniform motion the same or different?
A girl had designed a clap switch for a science exhibition that enabled her to switch on or off an alarm just with clapping of hands. While testing her device in a hall, she noticed that once the alarm has sounded it followed with another one due to echo of the clap, that is, the sound reflected by the walls. She recorded the two soundings of alarm with her tape recorder and found out that time difference in between them is 0.1 s. If the distance of the walls be 15 m, calculate the speed of sound.
Complete the analogy.
Distance : metre :: Speed: ______?
The cheetah the fastest animal among terrestrial animals run with an average speed of ______.
______ is the distance traveled by a body per unit of time.
Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?
Distinguish between speed and velocity.
