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प्रश्न
Every object moves with a constant speed.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
Objects do not always move with a constant speed; their speed can change due to acceleration or deceleration.
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संबंधित प्रश्न
When is instantaneous speed the same as the average speed?
If a body traverses a distance in direct proportion to the time, the speed of the body is ______.
Arrange the following speeds in the increasing order:
(i) A bicycle moving with a speed of 36 km/h.
(ii) A car moving with a speed of 2 km/min.
(iii) An athlete running with a speed of 7 m/s.
The average time taken by a normal person to react to an emergency is one fifteenth of a second and is called the 'reaction time'. If a bus is moving with a velocity of 60 km/h and its driver sees a child running across the road, how much distance would the bus had moved before he could press the brakes? The reaction time of the people increases when they are intoxicated. How much distance had the bus moved if the reaction time of the driver were 1/2 s under the influence of alcohol?
A train travels the first 30km of its journey at 30km/h. Find the speed it should travel the next 90km to have an average speed of 60km/h.
The correct relation among the following is
Vehicles moving with varying speeds are said to be in uniform motion.
Asher says all objects having uniform speed need not have uniform velocity. Give reason.
The cheetah the fastest animal among terrestrial animals run with an average speed of ______.
Abus from Chennai travels to Trichy passes loo km, 160 km at 10.15 am, 11.15 am respectively. Find the average speed of the bus during 10.15 – 11.15 am.
