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प्रश्न
Can the speed of a body be negative?
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उत्तर
No the speed of a body cannot be negative.
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संबंधित प्रश्न
Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.
Figure 1 Vehicles moving in the same direction on a road
Figure 2 Position of vehicles shown in Figure 1 after some time
Convert 20 m/s into km/hr.
A car travels from P to Q at a uniform speed of 20 ms-1 and immediately turns back and travels towards Q with a uniform speed of 30 ms-1. What is the average speed for the whole journey?
The relation S= v x t can easily be used to find the tota l distance covered by a body moving with non -uni form speed. (Yes/ no)
Can a body have negative speed?
The speed of a train is expressed in m/h.
A ______ is the fastest land animal.
Speed is always positive or zero but never be ______.
A car increases its speed from 20 km/h to 50km/h in 10 seconds. Its acceleration is ______.
Assertion: The speed of a body can be Negative.
Reason: If the body is moving in the opposite direction of positive motion, then its speed is Negative.
