a screw has a head diameter of 0.812 cm and a thread width of 0.318 cm. what is the ideal mechanical advantage

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

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) .

Which subatomic particle has a negative charge