Why can you not measure the volume of water in the measuring cylinder accurately unless you look straight at the scale?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

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) .

Name three different units of energy used to measure heat and describe what type of situations each is usually used.