Which form of energy is stored in a stretched spring — select the correct answer.

✅ D. Ohm

Electrical resistance is measured in ohms. Read more

✅ A. Mass × velocity

Linear momentum is p = mv. Read more

✅ C. Energy

The joule is the SI unit of energy and work. Read more

✅ D. 9.8 m/s²

Near Earth's surface, gravitational acceleration is approximately 9.8 m/s². Read more

✅ A. Convex lens

A convex lens is thicker at the center and converges parallel light rays. Read more

✅ B. Convex lens

A convex lens is thicker at the center and converges parallel light rays. Read more

✅ B. Tesla

Magnetic flux density is measured in teslas. Read more

✅ A. Hertz

Frequency is measured in hertz. Read more