Question

difference between speed and velocity

Answer 1

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The simple and short answer is that velocity is thespeed with a direction, while speeddoes not have a direction. Speed is a scalar quantity -- it is the magnitude of the velocity. Speed is measured in units of distance divided by time, e.g. miles per hour, feet per second, meters per second, etc........☺️☺️☺️

Answer 2

SPEED

• Speed is nothing but the distance travelled by an object per unit of time.
• Speed is a scalar quantity because speed only depends upon the magnitude not the direction of motion of the object.
• Speed is always positive because it doesn't depend on the direction of motion of the object.

• If an object started moving then the speed can never be zero because once object moves then distance is covered which cannot be zero.

VELOCITY

• Velocity is displacement of object per unit of time.
• Velocity  is vector quantity because it depends on the magnitude as well as the direction of motion of object.

• Velocity may be positive and negative as it depends on the direction in which object moves.

• If an object started moving then velocity may be zero if the displacement of the object is zero.