When it comes to our place in the solar system today which model do we accept

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

The necleus of an atom is made up of what subatomic particles?

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.