how much time does a stone take to reach on the surface of the earth drop from the height 20m and what will be it's acceleration due to gravity after 3 seconds​

This portion of the stratosphere if known as the _______. A. mesosphere B. tropopause C. thermosphere D. ozone layer Is this a function? Or is it not a function ? Ill give brainlist. What was the relationship between coins and democracy in Athens? i need thenanswers thank u Can someone simplify? I'm confused- double checking[extra characters] what is the object pronoun for all the stars and planets are remarkably interested me Is b = 4 a solution to the inequality below?3 bAlso can someone tell me how to do this? step by step? what is one main result of the Crusades besides the development of religious animosity? Imagine two lines intersect. How can the properties of linear pairs and vertical angles help to determine the angle measures created by the intersecting lines? Explain. Which expressions are equivalent. Picture Provided. NO LINKS! NEED ANSWER ASAP how did the captors and hostages both use the media for their own purposes? in the Iran Hostage Crisis Is it permissible to install recessed fixture directly against wood ceiling joists? Explain why or why not. The speaker becomes a man after...Ahis mother tells him he must.Bhe turns 18.the loss of a family member.D his mom leaves his family. How many times does the company expect the album to be downloaded in the 11th month? Which relation is a function? A. (8,-4), (8,4), (6,-3), (6,3), (0, 0) B. (4, 7), (8,5), (6,4), (5, 3), (4, 2) C. (0, 0), (1, 1), (2, 2), (3, 3), (4,7) D. (0, 0). (1, 0), (1, 1), (2, 1), (1, 2) You roll a six-sided number cube and flip a coin. What is the probability of rolling a number less than 2 and flipping heads? Write your answer as a fraction in simplest form. The probability is . PLEASE HELP ASAP!! THANK YOUEXPLANATION = BRAINLIEST & 5 STARS From the library, one car heads north, and another heads east. Some time later, the northbound car has traveled 17 miles, and the eastbound train has traveled 144 miles. The two cars, measured in a straight line, are ___ miles apart. How many significant figures are there in the number 10.8?A. 4B. 2C. 3D. 5 help me solve this question please. Thank you