amar

how does the gravitational force exerted by earth on the sun compare with the gravitational force exerted by sun on the earth? and would you expect tides to be higher at the equator or at the north pole? why?

light waves hitting the surface of a concave mirrror

An aeroplane when 6000 m high passes vertically above another plane at an instant when their angles of elevation at the same observing point are 60° and 45° respectively. How many meters higher is the one than the other?

the number of positive integers less than 40000 that can be formed using all the digits 12345 is equal to

write net ionic equations for each situation in which the precipitate redissolved on the addition of HNO3 or NH3.

i don't know answer.i am tring to find answer

please help immediately

a-i b-iv c-i d-i