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[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Acceleration due to gravity on that planet is half than that of om earth ~

that is ~

  • [tex] \dfrac{9.8}{2} \: \: m/ {s}^{2} [/tex]

  • [tex]4.9 \: \: m/s {}^{2} [/tex]

And it's weight is equal to ~

  • [tex]490 \: \: N[/tex]

now, As we know ~

  • [tex]f = m \times g[/tex]

here ,

  • f = Weight = 490 Newtons

  • m = mass of stone = ?

  • g = Acceleration due to gravity on that planet = 4.9 m/s²

let find the mass of stone ~

  • [tex]490 = m \times 4.9[/tex]

  • [tex]m = \dfrac{490}{4.9} [/tex]

  • [tex]m = 100 \: \: kg[/tex]

Mass of the stone is 100 kg ~

I hope it helped

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