Question

a car travels first 10 km in 20 minutes and another 10 km in 30 minutes what is the average speed of the car in metre per second​

Answer 1

ℍ ℰ ℽ ℱ ℛ ℕ ⅅ

Answer:

Average speed =Total distance / Total time taken

=S1+S2/t1+t2

given:

--------

S1=10km

=10*1000=10000m

S2=10km

=10000m

t1=20min

=20*60=1200sec

t2=30 min

=30*60=1800sec

Average speed =10000+10000/1200+1800

=20000/3000

=6.67m/s

H Ø ₱ E ł ₮ H E L ₱ Y Ø U R ₴ ✌ ✌

Answer 2

Hey mate! ✨

Total distance=20 km =20000 m

Total time=50 minutes =3000 seconds.

Average speed=

$\frac{20000}{3000} \\ = \frac{20}{3} \\ = 6.67 \: m \: per \: sec$

hope it helps you. plz mark as brainliest