If an aeroplane travels at 5000 m. p.h for an hour and 45 minutes, what distance does it travel?

8750 miles

Explanation:

The airplane travels with uniform motion (=constant velocity), so we can calculate the distance it travels using the formula for uniform motion:

where

v is the speed of the plane

t is the time elapsed

In this problem:

v = 5000 mi/h is the speed of the plane

t = 1 h 45 min is the time elapsed

We have to convert this time into hours; we know that 45 minutes corresponds to 3/4 of an hour, that is 0.75 hours. So, the time here is

Therefore, the distance covered is:

answer: the exterior temperature of commercial jet planes as they leave the stratosphere and return to the ground increases steadily.

explanation:

the lower most layer of atmosphere is troposphere which extends from 0 to 12 km above the surface of the earth. the temperature initially decreases as distance is increased from the earth's surface. commercial jets fly in lower part of the stratosphere. the stratosphere extends upto 50 km. the temperature in stratosphere starts rising again due to presence of ozone which traps the uv rays.

thus, when the planes leave the stratosphere and return to the ground, the exterior temperature increases steadily.

multiply 2kg by latent heat of vap