Question

car
stop,
A to
stop
of
travels from
B with
a speed
of 30 Kulho
and
then
returns
back to
A with a speed of 50 km/hr. Find
displacement of
of the car
and distance
car ?
travelled by the​

Answer 1

Answer:

Let the distance travelled at 100 km/hr be x km.

Then, distance travelled at 50 km/hr is (170 - x) km.

Given,

100

x

+

50

(170−x)

=2

⇒

100

x+2(170−x)

=2⇒x+240−2x=200

⇒x=140km.

∴ Distance travelled at 50 km/hr =(170−140)km=30km