A person has a gravitational force (weight) of 600 N on Earth. Suppose the mass of the Earth is double and the radius shrinks to 1/3 of what it currently is. Calculate your new weight.

The heliocentric and the geocentric models of the solar system included these central principles

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.