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A man is climbing up a mountain which is inclined. He has to travel 100 km to reach the top of the mountain. Every day He climbs up 2 km forward in the day time. Exhausted, he then takes rest there at night time. At night, while he is asleep, he slips down 1 km backwards because the mountain is inclined. Then how many days does it take him to reach the mountain top? I'm in the dire need of

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11 May 2022

Answer: 100 daysStep-by-step explanation:As he first cover 2 km then slips 1 k...

A 2017 penny has a mass of 2.542 G and produces a copper shell with a mass of 0.065 G. Find the percent Cu in the penny

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11 May 2022

Answer: 2.55%Step-by-step explanation:Percentage of cu = (mass of cu/mass of p...

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11 May 2022

Answer: 2Step-by-step explanation:As In first case cu has a valency of 2 so mi...