Which option correctly answers this question: which quantity is measured in joules?

✅ A. Mass × velocity

Linear momentum is p = mv. Read more

✅ C. Tesla

Magnetic flux density is measured in teslas. Read more

✅ A. Newton's third law

Newton's third law describes action and reaction forces. Read more

✅ B. It increases

For typical metals, electrical resistance increases as temperature rises. 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. Hertz

Frequency is measured in hertz. Read more

✅ D. Reflection

Reflection is the return of light from a surface. Read more