Hey Jatin . Ek bar to bolo na yr kya kiya hai plzzz

Bat nahi karni to mat bolo bas answer me likh do

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87