Question

what is the difference between velocity and speed​

Answer 1

Answer:

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Explanation:

Speed, being a scalar quantity, is the rate at which an object covers distance. ... On the other hand, velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.

Answer 2

Answer:

Differences between velocity and speed

SPEED - IT is the total distance covered in a unit time.

• It is scalar quantity i.e it need only magnitude to specify it.

• Speed = Distance/time

• It can not be negative or zero.

• Speed is always greater than velocity

VELOCITY - IT is the total distance covered in a unit time in a given direction

• It is vector quantity .ie it needs magnitude as well as direction to specify it.

• Velocity = Displacement/time

• It can be negative or zero.

• Velocity is always smaller than speed.

MORE TO KNOW -

• Rate of change of velocity is called Acceleration.

• S.i unit of some terms

i) Distance - m

ii) Displacement - m

iii) Speed- m/s

iv) Velocity- m/s

v) Acceleration- m/s^2

• Velocity can be changed by given ways-

i) Either the speed changes.

ii) Or the direction changes.

iii) both changes.

Some representations

v= final velocity

u= initial velocity

acc= acceleration

t= time

s= Distance/ displacement