Define a kuiper belt in your own words

What is hidden during a lunar eclipse? isn't the moon hidden?

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?