Question

a car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time takena car covers 60 km at a uniform speed of 120 km ph and the next 60 km at a uniform speed of 80km h find the total time taken

Answer 1

Answer:

Distance, D

1

=30km

Speed s

1

=60km/hr

time=

60

30

=

2

1

hr

Distance D

2

=30km

Speed s

2

=40km/hr

Time, t

2

=

40

30

=

4

3

hr

Total time T=t

1

+t

2

=

2

1

+

4

3

=

4

5

hr=

4

5∗60

min=75 min