Question

calculate the average speed if a body goes to his school with a speed of 10 metre per second and return with a speed of 5 metre per second second​

Answer 1

Answer:

Hey mate

check your ans

it is 7.5 m/s^2

Step-by-step explanation:

$avg \: speed = (10 + 5 ) \div 2 \\ \\ \: \: \: \: \ \: = 15 \div 2 = 7.5 \: m {s}^{ - 2}$