Answer: preventive maintenance
Explanation:
Answer: False
Explanation: Sandwich materials are usually in composite material form which has a fabrication of two thin layers which are stiff in nature and have light weighing and thick core .The construction is based on the ratio that is of stiffness to the weight .Therefore, the density of the material in the core is not high and are only connected with the skin layer through adhesive .So the given statement is false that sandwich materials typically use a high density core with non- structural cover plates.
Answer:
Cyclical
Explanation:
I looked at the next question on edgenuity and it said it in the question.
Answer:
Velocity component in x-direction
.
Explanation:
v=3xy+
y
We know that for incompressible flow


So 

By integrate with respect to x,we will find
+C
So the velocity component in x-direction
.
Answer:
Use a screw or corkscrew. Screw it into the eraser, then pull.