Answer:
I would use a propeller like the first or second just from my experience. Just play around with the different ones and see which one works best for you.Don't make the propeller too thick or thin or else it may not work.
Explanation:
Have a great day! Good luck!
Answer:
B
Explanation:
Heat increase molecular motion
Answer:
288.2 K
Explanation:
= Volumetric expansion coefficient = 
= Initial temperature = 273.1 K
= Final temperature
= Original volume = 150 mL
Change in volume is given by

The temperature of the ethyl alcohol should be 288.2 K to reach 150 mL
Answer
given,
high temperature reservoir (T_c)= 464 K
efficiency of reservoir (ε)= 25 %
temperature to decrease = ?
increase in efficiency = 42 %
now, using equation




T_C = 348 K
now,
if the efficiency is equal to 42$ = 0.42



Answer:
Mediums in which the speed of sound is different generally have differing acoustic impedances, so that, when a sound wave strikes an interface between
Explanation:The propagation of a wave through a medium will depend on the properties of the medium. For example, waves of different frequencies may travel