What makes the black surface of a playground get warmer on a sunny day than on a cloudy day? a) the sunlight heats up the playground. b) more children play outside when it is sunny. c) clouds absorb all of the heat from the playground. eliminate d) more heat goes into the black surface on a cloudy day.

A) The sunlight heats up the playgound

Explanation:

On a sunny day, the sunlight heats the surface of the playground, which will absorb it and reflect it in the form of heat, which makes it warm. On a cloudy day, the clouds act as a barrier for the sunlight, so less of it heats up to the surface, less of it will be absorbed, and less will be reflected. Thus, it will be less warm.

3 hours because it is a decent distance.

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation: