A wire of length 5cm is heated from a temperature of 20c to 70°C if it undergoes a change
in lengte 2cm. Calculate
the linear expans of the wire

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

The substances that are necessary for producing of certain hormones and that store and transport vitamins