Question

two cars left place A and reached place B simultaneously in 2hr. the first car traveled half the distance with 30km/hr and the other half at the speed of 45 km/hr .the second car at the same time covered the entire with a constant acceleration starting from rest.find the acceleration of the second car

Answer 1

@mayankdevnani
samjha bhai muhje yeh sum...

Answer 2

apna work dikha bhai?
dimag kaam nahi kr raha h

Answer 3

kuch galat huya toh bata dunga

Answer 4

avg vel nikaloon?

Answer 5

nahi uski jarurat nahi h

Answer 6

total vel 75 ms h na?

Answer 7

haan dekh le avg vel use kr le

Answer 8

avg vel = 2*30*45 all over 30+45 = 2700/75=36ms

Answer 9

yeh kaise aaya?
2700 kaise aaya?

Answer 10

i used this eqn:
\[\frac{ 2v_1v_2 }{ v_1 + v_2 }\]

Answer 11

30*45* = 1350*2
2*1350 = 2700