100 g of a metal A at 140°c is dropped into 100g of water at 20°c contained in calorimeter mass 80g. If the final temperature of the mixture is 40°c, the specific heat capacity of A is? Leave your answer in j/kg/k​

Abird sitting high in a tree is an example of what type of wnergy

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n

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.