A crane lifts a 425 kg steel beam vertically a distance of How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces

A) 5.8 × 105 J
B) 3.4 × 105 J
C) 4.0 × 105 J
D) 4.9 × 105 J


Answer: A

Physics & Space Science

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An X-ray telescope placed on the surface of Earth can detect X-rays that are emitted from a distant astrophysical source.

Answer the following statement true (T) or false (F)

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