Question

a mam of mass 70kg a seconds a flight of 36 steps each 20cm high work done by the mam against gravitational force is (g=9.8ms-2 a)49.392 J b)4000J c)490J d)4900J​

Answer 1

Answer:

it will be 4939.2 joules

Answer 2

Answer:

$a)49.392 \: j \\ hope \: its \: help \: you$