A physics major is cooking breakfast using a steel spatula and a Teflon frying pan. The coefficient of kinetic friction between the two materials is 0.04 and the normal force is 8N. What is the magnitude of the kinetic friction force between the two surfaces .

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

Avoltaic cell converts chemical energy to

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?