An airplane during departure has a constant acceleration of 3 m / s². a. What is the speed that the plane reaches in 4 s? b. If the plane passes at a flight point of at a speed of 20 m / s, what is the speed 8 s later?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (