WAEC Physics 2023 Objective — Question 16
Question 16 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.
Advertisement
A planet has mass, M, and radius R. If the universal gravitational constant is G, what is the expression for the escape velocity of an object on the planet?
- A. (2G/R)^½
- B. (GR/2)^½
- C. (GM/R)^½
- D. (2GM/R)^½Correct
Explanation
Escape velocity vₑ = √(2GM/R).
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.