Question

D-60km V t= 6hr
y = 3 km/h
? D = 16 km
ī
60x66
60= x+3
6.
쿠
2 그​

Answer 1

Step-by-step explanation:

As we know that

Average speed (v

av. )= v 1+v 2

2v 1 vv2

Given:-v 1 =3v

v 2 =2v

Therefore, v av.

= 2v+3v

2⋅2v⋅3v

⇒v av.

= 5v12v2

=2.4vkm/hr