A balloon is floating up into the air with an acceleration of 0.5 m/s2. What would be the force of the hot air balloon by solving with an equation.

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight