a coil is rotating at a constant angular velocity in a uniform magnetic field. what shape does the emf vs. time graph have?

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

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?

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?