4. A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen
lake as shown below with force of F = 51 N. What is its acceleration?

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply