Question

Ajay walked at an average speed of 8km/hr for 45minutes and then ran at an average speed of 12km/hr for 40minutes what was his average speed for the whole journey?​

Answer 1

Answer:

Thermodynamics is the study of the relations between heat, work, temperature, and energy. The laws of thermodynamics describe how the energy in a system changes and whether the system can perform useful work on its surroundings.

Answer 2

Step-by-step explanation:

Ajay walked at an average speed of 8km/hr for 45minutes and then ran at an average speed of 12km/hr for 40minutes what was his average speed for the whole journey?