Question

A car goes round a crcular path A-B-C-D-A the speed of the car while
it is taking on the different sections AB, BC, CD and DA are
v, 2v, 4v & 4v respectively. Find the average speed of the car.
1) v
2) 2v. 3) 2.4 v. 4) 2.6 v
​

Answer 1

the average speed of the car;-

(1) 2.40

b) 4.87

c) 3 67

d) 1/20

614

Answer 2

Explanation:

ans:2.204v.

avg speed=[37R/7]×[12v/28]

=2.204v.