Go to the Model tab at the bottom of the simulation, and select the Star-Planet orbit. Decrease the mass of the star to the minimum possible amount, and begin the simulation. What happened? Why do you think this happened?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

If a balloon is taken outside on a very cold day, what will occur?

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.