Question

our first 50 km with a speed of 36 km per hour and the second 50 kilometre with a speed of 54 km per hour find the average speed speed​

Answer 1

Answer:

Just do arthimatic mean

Explanation:

I hope it helps you

Answer 2

$here \: t1 = \frac{50}{36}hr \\ \\ t2 = \frac{50}{54} hr \\ \\ \\ so \: avg. \: speed \: = \frac{total \: distance}{time \: taken} \\ \\ v \: = \frac{50 + 50}{t1 + t2} \frac{km}{hr} \\ \\ v \: = \frac{100}{50( \frac{5}{18} )} \\ \\ \\ v \: = 36kmperhr$