CONCEPT OF SPEED ⭐ WHAT IS SPEED AND VELOCITY

INTRODUCTION TO KINEMATICS| SPEED|DISTANCE| DISPLACEMENT| VELOCITY|ACCELERATION

Kinematics - Numericals On Average Speed And Average Velocity

(a) Define velocity. What is the SI unit of velocity ? (b) What is the difference between speed and velocity ? (c ) Convert a speed of 54 km/h into m/s.

What is SI unit of speed ? Is it same for velocity ?

(a) Define speed. What is the SI unit of speed ? (b) What is meant by (i) average speed, and (ii) uniform speed ?

A body travels with a speed of v_1 from A to B and returns with a speed of v_2 from B to A. Derive an expression for the average speed of the body. What will be the average velocity of the body?

STATEMENT-1: The avergae speed the average velocity of the aprticles are different physical quantities. STATEMENT-2: The avergae speed and average velocity have same dimensions.

Define the speed and velocity. What are their SI units ?

Can a paticle have (i) zero speed and non - zero velocity ? (ii) constant velocity but a varying speed ? (iii) constant speed but a varying velcoity ?

When speed of an object exceeds the velocity of sound, Then it is said to be moving with ______ speed.