To determine which planet an object would weigh the most, we need to consider the gravitational force on each planet, which is directly proportional to its mass. The estimated masses of the planets in the table are as follows:
- Planet W: \(6.4 \times 10^{23}\) kg
- Planet X: \(3.3 \times 10^{23}\) kg
- Planet Y: \(59.7 \times 10^{23}\) kg
- Planet Z: \(48.7 \times 10^{23}\) kg
Since they are assumed to be similar in radius, the planet with the greatest mass will exert the strongest gravitational pull. Therefore:
- Planet Y has the highest mass at \(59.7 \times 10^{23}\) kg, making it the planet where an object would weigh the most.
So the response is on planet Y.
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