1.

A uniform rectangular marble slab is 3.4 m long and 2.0 m wide. It has a mass of 180 kg. If it is originally lying on the flat ground, how much work is needed to stand it on an end?

A. 2.0 kJ
B. 3.0 J
C. 3.0 kJ
D. 3000 kJ
Answer» D. 3000 kJ


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