A wire of length 150cm and area of cross section equal to 1mm stretched by a weight of 3 kg. Find the increase in length.
Young's modulus of the material of the wire = 2x10' N/m (g

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

Which statements did both aristotle and ptolemy assume? check all that apply.