Helly

The rms speed of the molecules in 1.7 g of hydrogen gas is 1700 m/s. What is the total translational kinetic energy of the gas molecules? What is the thermal energy of the gas? 500 J of work are done to compress the gas while, in the same process, 1700 J...

An unstretched ideal spring hangs vertically from a fixed support. A 0.4 kg object is then attached to the lower end of the spring. The object is pulled down to a distance of 35cm below the unstretched position and released from rest at t=0s. A graph of t...

Hi Anonymous, The answer to the first question is B) because New England was Lowell's home territory and he had travelled to Scotland to copy cotton mill designs. The answer to the second is C). It is land because in those days when the settlers came, the...