Plz ..during takeoff a plane accelerates at 4m/s^2 and takes 40s to reach takeoff speed.
what is the velocity of the plane at takeoff? what distance did the plane travel in that time?

*plz show work and equations

The variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. in part iii, you will be investigating the questionable baseball. use the drop-down menus to complete the sentences and identify the independent and dependent variables. in part iii, the independent variable, the one that is intentionally manipulated, is . in part iii, the dependent variable, the one that you measure the response in, is

Ared apple is illuminated by a blue light the apple will appear

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?