Alight bulb converts electrical energy into light energy and also some thermal energy. the amount of electrical energy is 50 joules before the conversions.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?