Question

Ravi swims in 90 metre long swimming pool he covers 180 metre in one minute by swimming from end to another end .find the average speed and average velocity of ravi

Answer 1

Answer:

Length of the pool: 90m

Average speed:

Speed= Distance/Time

speed=180/60   ( 1 minute = 60 seconds)

speed=30 m/s

average velocity= u+v÷2

u = 90

v= 90

90+90÷2

180/2

90m/s

Answer 2

Explanation:

The average speed of ravi =180m/s

The average velocity of rabi=0m/s

because average speed=total distance travel/total time taken but average velocity=

total displacement/total time taken