An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane ? Take velocity of radio waves as `3xx10^(8)ms^(-1)`.

Explanation

To solve the problem of how long it will take for the radar to detect the enemy plane, we can follow these steps:

### Step 1: Understand the scenario
The radar detects an enemy plane that is 300 km away. The radar sends out radio waves that travel to the plane and back. Therefore, the total distance traveled by the radio waves is twice the distance to the plane.

### Step 2: Convert the distance
Convert the distance from kilometers to meters, since the speed of radio waves is given in meters per second.
- Distance to the plane = 300 km = 300,000 meters = \( 300 \times 10^3 \) meters.
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