A fan blade Spins at 3,000 revolutions per minute. How
many degrees does it rotate in one second?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

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

Elements that have one valence electron and are very reactive are called