An 865 kg airplane starts at rest on an airport runway at sea level. (a) what is the change in mechanical energy of the airplane if it climbs to a cruising altitude of 2230 m and maintains a constant speed of 90.0 m/s?

Does this organism still meet the definition of a eukaryote ? why or why not?

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?