Describe the three methods of thermal energy transfer and provide a sketch that depicts each: Conduction:
Convection:
Radiation:

Idon’t quite understand this problem

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

What equation is used to calculate the weight of an object on a plant ?