3. someone at the third-floor window (12.0 m above the ground) hurls a ball downward at an angle of
45 degrees with a speed of 25 m/s. how fast will the ball be traveling when it strikes the sidewalk
below?

i would think form in reponse to tensional forces

found in the nucleus

has mass of one amu

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.