2.5 kg because you cant change the weight of the rock
It causes or makes a magnetic field.
When Jane is sliding down a slide, she is demonstrating translational motion.
An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet.
As a result, the object's <em>mass remains the same</em>, and its <em>weight decreases</em> to 1/4 of whatever it is when the object is on the planet's surface.
I am pretty sure this is uranium. it has 140 neutrons.
