Question

from the edge of the vertical cliff 39.2 m high a body is projected vertically upwards with a velocity of 9.8 m/s. how long does the body take to reach the ground? . how long does it take to pass through the point of projection? with what vocity does it strike the ground?

Please solve this fully ​

Answer 1

Answer:

which of the following element has two shells and both are completely filled neon is the answer