Question

define magnitude and velocity
vector quantity and scalar quantity
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Answer 1

Scalar Quantity :-A Physical quantity which can be described only by its magnitude .

Ex :- Time , Distance , Speed ,etc

Vector Quantity :- A physical quantity which can be described by its magnitude and direction as well

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...10 thanx + follow = INBOX

Answer 2

$\huge\blue{\mid{\underline{\overline{\textbf{Scalar\: Quantity}}}\mid}}$

A Scalar quantity in physics is a Physical quantity that can be described by a Single element of a number field such as a real number pften accompanied by units of measurement...

$\huge\blue{\mid{\underline{\overline{\textbf{Vector\: quantity}}}\mid}}$

Vector quantities refer to the physical quantities Characterized by the presence of both magnitude as well as direction..

hope it helps ✌✌