Question

Define speed .is it a scalar kr vector quantity give reason for your answer

Answer 1

the rate at which someone or something moves or operates or is able to move or operate

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. Speed is ignorant of direction. On the other hand, velocity is a vector quantity; it is direction-aware

Answer 2

Speed is scalar quantity because it had both direction and magnitude