If, while you're machine stitching, your fabric puckers and the stitches break, what should you do first?

a. Lower the tension.

b. Raise the tension.

c. Change the thread.

d. Change the needle.

Consider the equation S + O2 → SO2. What type of reaction is this? a. synthesis b. decomposition c. single displacement d. double displacement

Is how high or low sound is

What is an anemometer used to measure?

An 18.8 kg block is dragged over a rough, horizontal surface by a constant force of 156 N acting at an angle of angle 31.9◦ above the horizontal. The block is displaced by 19.9 m, and the coefficient of kinetic friction is 0.209. a.

What elements are dull, brittle and poor conductors

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

How do you solve this equation ___ Al + ___ Na1 O1 H1 - ___Na3 Al1 O3 + __ H2

A student pulls a 60 Newton sled with a force having a magnitude of 20 Newton's. What is the magnitude of the force that the sled exerts on the student

The four basic properties of lighting are

Which of the following is the correct SI unit to use in measuring the mass of a boulder A. ounces B. tons C. kilograms D. pounds (I'm sorry If I didn't pick the right subject!)