One moves at 60km/h, so in an hour, he’ll travel 60km
The other moves at 40km/h, so in an hour, he’ll travel 40km
This is towards each other, so, in an hour, we can say that they’ll get 60+40=100km closer.
This means that they get closer at 100km/h
Given that we have the distance of 150km, and the speed of closure at 100kmh, we can now use the equation
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17 Comments to “Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?”
Assalam-o-Alaikum. I had apply for the post of Bureau of Statistics BPS-17. MCQS or any Special tips that might be help full for my test that’s is going to held on 6th January.
simple hai agar dono k km dekhe jay to 1 hour me dono 100 km cover kr rahe hain matlb remainig 50 km bach gay to agar 1 hour me 100 km agar kr rhe hain to to 50 km half an hour me honge means total hours 1.5 lage
Bro ye maths hai to yahan pe answers k sath solutiom b hona chahye jese smjh aa sake prove zaruri hai to lehaaza solution b diya hai data k sath. thanks
Answer is 1.25hrs
Assalam-o-Alaikum. I had apply for the post of Bureau of Statistics BPS-17. MCQS or any Special tips that might be help full for my test that’s is going to held on 6th January.
answer will be 7.5 hour
Can u plz give the solution of this question
Solution added now
simple hai agar dono k km dekhe jay to 1 hour me dono 100 km cover kr rahe hain matlb remainig 50 km bach gay to agar 1 hour me 100 km agar kr rhe hain to to 50 km half an hour me honge means total hours 1.5 lage
Bro ye maths hai to yahan pe answers k sath solutiom b hona chahye jese smjh aa sake prove zaruri hai to lehaaza solution b diya hai data k sath. thanks
Solution added now
Why eds portion contains arithmetic?
thanks for pointing it out. it has been moved to maths section
Respected sir,
Sir physics ki koi mcqs book ka naam batayen
Solution?
Suppose time = x hours
Both cars will have same time, but different distances depending upon speed.
So,
(60km/h).x + (40km/h).x = 150
(100 km/hour ).x =150
X= 1.5
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Simple is one is moving with 60km/hr means
150/60 = 2.5 hr
150/40 = 3.75 the difference between both is 3.75-2.5 = 1.25
Speed = Distance/time
t=d/s
T1=150/60 =2.5
T2=150/40= 3.75
Meeting time=T2-T1
=3.75-2.5
=1.25
Answer =1.25
As they are moving towards each other so their relative velocity will b added
60+40=100km/h
Time= distance/speed = 150/100 = 1.5 sec