Question

☆☆Pls helppp☆☆ Class 9 question

A boy is running on a straight road. He runs 500m towards north in 2.10mins.
And then turns back and runs 200m in 1min. Calculate
a. His average speed and magnitude of average velocity during the first 2.10min
b. His average speed and magnitude of average velocity during the whole journey.

☆☆Pls write it down ... Also 50/13 =3.84 Will mark brainliest asap:) literally asap☆☆​

Answer 1

Answer:

(2.10 minutes)=210÷100×60=126sec.

(1 minute)=1×60=60sec.

▪️average speed in first 2.10minutes is 3.963m/s.

▪️average velocity in first 1 minutes is 3.963m/s.

▪️ average speed in whole journey is 3.763m/s.

▪️average velocity in whole journey is 1.612m/s.

Explanation:

hope my answer is correct.