Step 1: Unknot Shoelaces. Make sure that the two ends of the shoelace are completely untangled and free of knots past the tongue. ...
Step 2: Create Overhand Knot. ...
Step 3: Finish the Basic Shoe Knot. ...
Step 4: Create Double Knot. ...
Step 5: Finished!
The impact behavior of plastic materials is strongly dependent upon the temperature. At high temperatures, materials are more ductile and have high impact toughness. At low temperatures, some plastics that would be ductile at room temperature become brittle.
Answer:because it faster
Explanation: and when building a device or vehicle that requires large
Answer:


Explanation:
PE = Energy of food = 500 cal = 
m = Mass of object = 50 kg
g = Acceleration due to gravity = 
Potential energy of food is given by

Nancy could raise the weight to a maximum height of
.
Mass of
used per year = 
Energy of
= 
Power

The power requirement is
.