A flying aeroplane has

Options

A. only potential energy
B. only kinetic energy
C. both potential and kinetic energy
D. none of these

Explanation

To solve the question regarding the energy of a flying airplane, we will analyze the situation step by step.

### Step 1: Understanding the Types of Energy
An airplane in flight possesses two types of energy: kinetic energy and potential energy.

- **Kinetic Energy (KE)**: This is the energy due to the motion of the airplane. It is given by the formula:
\[ KE = \frac{1}{2} mv^2 \]
where \( m \) is the mass of the airplane and \( v \) is its velocity.

- **Potential Energy (PE)**: This is the energy due to the position of the airplane above the ground. It is calculated using the formula:
\[ PE = mgh \]
where \( m \) is the mass of the airplane, \( g \) is the acceleration due to gravity, and \( h \) is the height of the airplane above the ground.

### Step 2: Analyzing the Situation
Since the airplane is flying, it is clearly in motion. Therefore, it must have kinetic energy.

Additionally, as the airplane is flying at a certain height above the ground, it also possesses potential energy.

### Step 3: Conclusion
Given that the airplane is both in motion (which provides kinetic energy) and at a height (which provides potential energy), we can conclude that:

- The airplane has **both kinetic energy and potential energy**.

### Final Answer
The correct option is **Option 3: both potential and kinetic energy**.

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