Can a moderator delete this question? This was reposted as one of my other questions. (I edited it so it looks like this now.)

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) .

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Which of the following is an example of motion in two dimensions?