Physics

Problem

0.50\,\text{kg}

block is measured with two instruments: (i) an oscillating horizontal tray that times its vibration and reports the block’s mass, and (ii) a calibrated spring balance that reports the block’s weight in newtons. Both instruments are then taken to a planet where the acceleration due to gravity is exactly one-half of that on Earth. Which pair of readings will the instruments now give for the same block? a) Mass

0.25\,\text{kg}

; Weight

2.45\,\text{N}

b) Mass

1.00\,\text{kg}

; Weight

2.45\,\text{N}

c) Mass

0.50\,\text{kg}

; Weight

2.45\,\text{N}

d) Mass

0.50\,\text{kg}

; Weight

4.90\,\text{N}

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