Question

A car moves a distance of 200 m. it covers the first half of the distance at speed 40 km/h and second half of the distance at speed v. the average speed is 48 km/h.then find value of v ?

Answer 1

Answer:

A car moves a distance of 200m.it covers first half of distance at speed 60km/hr and second half at speed v if average speed is 40km/ht the value of v is. A car moves a distance of 200m. It covers the first-half of the distance at speed 40km/h and the second-half of distance at speed vkm/h. The average speed is 48km/h.

Answer 2

Answer:

60km/h

Explanation:

Given, Distance=200m,Speed=40km/h Average speed =48km/h

48=

40

100

+

v

100

200

⇒

40

1

+

v

1

=

24

1

⇒v=

5−3

120

=

2

120

⇒=60km/h