Question

Two cars moving towards each other having 30 km/hr and 40 km/hr constant speed. Initially distance between cars is 70 km then time after which they meet, is > 30km/hr 40km/hr 70km​

Answer 1

Answer:

The two cars will meet after 1 hour.

Explanation:

We can utilise the idea of relative speed to calculate the time after which two cars will collide. The two cars are approaching one another, thus their relative speed is the product of their individual speeds.

Given:

The initial car's speed is 30 km/hr.

Second vehicle's speed is 40 km/hr.

Initial distance between the cars = 70 km

The relative speed of the two cars = 30 km/hr + 40 km/hr

= 70 km/hr

To find the time taken for the two cars to meet, we can use the formula:

$Time = \frac{Distance }{ Speed}$

Distance = Initial distance between the cars = 70 km

Relative Speed = 70 km/hr

$Time = \frac{ 70 km }{ 70 km/hr }$

= 1 hour

Therefore, the two cars will meet after 1 hour.

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