Understanding the Concepts
* Potential Energy: When you lift an object, you give it potential energy. This energy is stored due to its position relative to the Earth's gravitational pull.
* Potential Energy Formula: The potential energy (PE) of an object is calculated using the formula: PE = mgh
* PE = Potential Energy (in Joules)
* m = Mass (in kilograms)
* g = Acceleration due to gravity (approximately 9.8 m/s²)
* h = Height (in meters)
Solving the Problem
1. We know:
* PE = 35 Joules
* h = 0.5 meters
* g = 9.8 m/s²
2. Rearrange the formula to solve for mass (m):
* m = PE / (gh)
3. Substitute the known values:
* m = 35 Joules / (9.8 m/s² * 0.5 meters)
4. Calculate:
* m ≈ 7.14 kg
Therefore, the mass of the bowling ball is approximately 7.14 kilograms.