2. Define Young Modulus and Force constant 3. A wire of cross sectional area of 6 x 10-5mand length 50cm stretches by 0.4mm under a load of 3000N. What is the Young's Modulus of the wire?
4. A spiral spring is compressed by 0.03m. Calculate the energy stored in the spring if its force constant is 300Nm-1

The metric unit of electrical power is the watt volt ampere ohm

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

If element x has 99 protons how many electrons does it have