Question Number 209840 by peter frank last updated on 23/Jul/24
Answered by mahdipoor last updated on 23/Jul/24
$${M}_{{moon}} ={M}_{{earth}} ={M}={cte} \\ $$$${W}_{{moon}} ={Mg}_{{moon}} \:\:\:\:\:\:\:\:\:\:\:\:{W}_{{earth}} ={Mg}_{{earth}} \\ $$$${note}\::\:{g}_{{m}} =\frac{{g}_{{e}} }{\mathrm{8}}=\frac{\mathrm{10}}{\mathrm{8}}\:\:\:\:\frac{{N}}{{kg}} \\ $$$$\left.\mathrm{11}\right){W}_{{m}} ={Mg}_{{m}} =\mathrm{0}.\mathrm{2}×\frac{\mathrm{10}}{\mathrm{8}}=\mathrm{0}.\mathrm{25}\:{N} \\ $$$$\left.\mathrm{12}\right){M}_{{m}} ={M}_{{e}} =\frac{{W}_{{e}} }{{g}_{{e}} }=\frac{\mathrm{200}}{\mathrm{10}}=\mathrm{10}\:\:{kg} \\ $$
Commented by peter frank last updated on 23/Jul/24
$$\mathrm{thank}\:\mathrm{you} \\ $$