Answer:
Einstein carried a total mass of 4.90 kg to the rental counter.
Explanation:
Weight and Mass
Those are commonly mixed-up concepts. The mass of an object is a measure of the amount of matter it contains. The weight is the force exerted by the gravity on the object.
Maric, Einstein, and Meitner had each one a pair of skates, each one weighted 16 N. This means the total weight of all three was 3*16=48 N.
The weight of an object of mass m is calculated by:
[tex]W=m.g[/tex]
Where g is the acceleration of gravity, or g=9.8 m/s^2
Let's calculate the mass by solving the equation for m:
[tex]\displaystyle m=\frac{W}{g}[/tex]
[tex]\displaystyle m=\frac{48}{9.8}=4.90\ kg[/tex]
Einstein carried a total mass of 4.90 kg to the rental counter.
