Question

Applications of speed in physics

Answer 1

speed of an object is magnitude of velocity it is hence scalar quantity .the speed units is metre per second..

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Answer 2

The distance covered by a body the distance covered by a body travelled by a body in unit time is called the speed of the body that is speed equal to distance travelled by time taken speed is usually denoted by the symbol be if a body travels a distance D time taken its speed is given as speed equals to b by 3 and Si system distance is measured in metre and time is measured in second show the SI unit of speed is metre per second sometimes we measure distance in kilometre and time in hour then the unit of speed is kilometre per hour