Characteristics Of Rubber Ball After Adding Water

Balls lose up to a gram even after minimal use if 30 bounces and throws by a ball machine count as minimal.

Characteristics of rubber ball after adding water. Balls may bounce higher after use. While you wash the ball squeeze out any excess water from the latex ball and any bubbles of trapped vinegar inside the ball. It is best known as the main ingredient of traditional mothballs. In one cup add one tablespoon of vinegar and two spoons of water.

Add1 2 teaspoon of rubber latex into the cup with vinegar. As an aromatic hydrocarbon naphthalene s structure consists of a fused pair of benzene rings. Balls bounce differently on different axes. Rubber ball cotton balls sponge face towel rug t shirt.

4 stir with the spoon and try to form a glob of rubber into a ball. Some balls are not very bouncy to begin with like squash balls. Tightly secure the jar lid and shake it until the glue is fully diluted and no gooey clumps remain. Naphthalene is an organic compound with formula c 10 h 8 it is the simplest polycyclic aromatic hydrocarbon and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0 08 ppm by mass.

General purpose rubber qdrop comparison of rubber ball and hanenaito ball height rubber ball time hanenairo ball before impregnation after impregnation taber abrasion test results material test standard urethane super abrasion esistant vulkollan abrasion resistant urethane ceramic urethane abrasion test taber method 197 3 33 9 73 8 101. A steel ball on a steel floor is amazingly bouncy. Keep count of the number of cotton balls as you add them to the water. It will be necessary to wash the ball in a sink with the water running or in a tub of water.

If the ball is made of rubber then the stiffness argument above would incline me to predict that the ball will still be less bouncy when cold. Each ball in a can is different in weight diameter and bounce. Ask your students if these will. Some kinds of stiff materials do not dissipate energy very much like steel.

Fill the other cup half way with water. In one glass jar add three tablespoons of water and three tablespoons of elmer s glue. 5 use the spoon and put the rubber ball in the cup from step 2 to wash it. Balls become softer with use.

2 form a group of 4 members each and choose among your group the person who will act as timer recorder leader and presenter. Each can from the same manufacturer can be different.