Biology, asked by Moksh28332, 3 months ago

A car moving on a straight road covers the one fourth of the
total distance with 36 km/h and the rest with 54 km/h, the
average speed of car is
1 )11 m/s
2)40m/s
3) 27 m/s
4) 18 m/s​

Answers

Answered by sahilharsh
0

Explanation:

Given,

Velocity for one third of distance V

1

=20km/h

Velocity for two third of distance V

2

=60km/h

Time take to cover one third of distance t

1

=

V

1

d/3

=

20

d/3

Time taken to cover two third of distance t

2

=

V

2

2d/3

=

60

2d/3

Average velocity =

totaltime

Totaldistance

V

av

=

t

1

+t

2

d

=

20

d/3

+

60

2d/3

d

=36km/h

Answered by sadatalla
0

Answer:

Given,

Velocity for one third of distance V

1

=20km/h

Velocity for two third of distance V

2

=60km/h

Time take to cover one third of distance t

1

=

V

1

d/3

=

20

d/3

Time taken to cover two third of distance t

2

=

V

2

2d/3

=

60

2d/3

Average velocity =

totaltime

Totaldistance

V

av

=

t

1

+t

2

d

=

20

d/3

+

60

2d/3

d

=36km/h

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