Question

HELP ITS AN URGENT HELP HELP
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km h . Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km h . What is the
(a) magnitude of average velocity, and
(b) average speed of the man over the interval of time
(i) 0 to 30 min,
(ii) 0 to 50 min
(iii) 0 to 40 min?

Answer 1

first yo need to find the distance covered in 30 min.and 50 min. Then we can calculate the average speed and velocity

Answer 2

Answer:

Explanation:

Verygoodquestion the answer is in above