A study was done to find how different tire threads affect how far a car drives before the brake works. What is the:
Constant/s is/are:
Dependent variable (D),
Independent variable (I),
Control group
Experimental group

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when