Neha and Reha are playing seesaw.Neha is sitting 60cm away from the fulcrum and Reha is sitting 40 cm away from the fulcrum . Calculate the effort that Reha should apply to lift Neha . The weight of Neha is 360 N. ✌✌✌✌
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Ответ:
Okay so, each element always is abbreviated with a capital letter and a lowercase letter, so each each new elements starts with a capital letter. To answer these problem you have to find the element or compound and whats in the element/compound and count how many you have. Then, it transfers over the arrow to how many of each element you have.
I hope this helps! :)