A space traveller weighs herself on Earth, at a location where the acceleration

Question

A space traveller weighs herself on Earth, at a location where the acceleration due to gravity is 9.81 m/s^2, and finds a value of 505 N. What is her mass?

=________kg

The traveller travels to a planet in a neighboring galaxy. It is a long trip, but she somehow manages to maintain her physical condition by conscientious exercise and diet control. The acceleration due to gravity on this planet is 12.3 m/s^2. What is the traveller's mass on the planet?

=___________ kg

And her weight there?

=_________ N

Explanation / Answer

Weight = Mass * Acceleration due to gravity
=> Mass = Weight / g = 505/9.81 = 51.48 Kg

Mass is an independent quantity and doesn't change
Mass on the planet = mass on earth = 51.48 Kg

Weight on the planet = Mass * acceleration due to gravity
= 51.48*12.3
= 633.18 N

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.