While driving down the road, a firefly strikes the windshield of a bus and makes a quite obvious mess in front of the face of th
1 answer:
Answer:
Both forces have the same magnitude
Explanation:
1) Notation
= force exterted by the bus to the firefly
= force exterded by the firefly to the bus
2) Analysis for the situation
The reason why is from the Third law of Newton that states: "For every action, there is an equal reaction force on the opposite direction to the original action force".
For this special case on math terms we have:
The fact that the firefly splatter on this case is because since have a smaller mass, it is less able to stand up to the larger acceleration from the interaction.
3) Conclusion
Based on this analysis, each force would have the same magnitude, so none force is greater than the other.
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Answer:
(a) Compression work at the final state with a pressure of 1(MPa) is: 44.32(KJ), (b) Compression work at the final state with a pressure of 500(KPa): 110.37(KJ) and (c) temperaure of the final state in part b: T=151.83(°C).
Explanation:
Remember that the substance is steam so it's water (H2O) and the initial conditions are and
from a saturated water table and the initial conditions we can determine that the state phase is superheated (see Table 1 attached) because the
from the table 1 we get:
. Now we have second conditions as:
so from the same table we can see the state still superheated and we get
, knowing that it's a isobaric process we can find the compression's work as:
so the compressor's work is: 44.32(KJ). (b) Then the piston reaches the stop and there are two processes in this stage, so Process 1 is isobaric and:
and the second process is isochoric:
,now
. Finally to get the temperarure at the final state in part (b) we get:
from table 2 (see attached) we compare
and
at the saturated water table and find the following:
, so we know that the final state phase is a satured mixture and we get the temperature at the final state as:
.
