You wish to determine the length of a runway that will be necessary for an airplane to take off. The airplane has a propeller that can produce a constant thrust and the airplane must have a minimum airspeed to take off. What additional information do you need to determine the required minimum length of the runway, and how would you use that information to calculate the length

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db