Choose the correct answer.
The essentials of a laptop battery capacity model are shown In the following diagrams (where the value types W, h and Wh stand for watl, hour, and watt-hour respectively). Assume that the instance values shown are inputs, and that nothing relevant has been omitted.

The designer needs to determine what the energy_capacity of battery 1 should be to enable a laptop usage_time_capacity time of 8 hours. Which combination of the options listed in the text box in the figure will achieve this Intent with minimal changes (including minimal new aspects)?
Suggested Answer: C
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28 comments · newest first
IS
Isaac
3 days ago
I lean towards C. It looks like it covers the energy needs well.
FI
Fidelia
8 days ago
I think B is the best choice. It seems to fit the usage time.
LO
Loren
14 days ago
This question is tricky! I feel unsure about the options.
CH
Cheryl
19 days ago
Still, O1.1 and O2.1 is more straightforward.
RE
Renea
24 days ago
True, but O1.2 and O2.3 gives longer usage.
DA
Darrin
29 days ago
Exactly! O1.1 and O2.1 keeps it simple.
NA
Nada
1 month ago
But we need to minimize changes, right?
CH
Cheryl
1 month ago
O1.1 and O2.2 might be the best balance.
RE
Renea
1 month ago
I’m leaning towards O1.2 and O2.3. More capacity!
DA
Darrin
2 months ago
I feel the same! It seems like a safe choice.
NA
Nada
2 months ago
This question is tricky! I think O1.1 and O2.1 could work.
CA
Catarina
2 months ago
Still, O1.1 and O2.1 is more straightforward.
RO
Roy
2 months ago
True, but O1.2 and O2.3 gives longer usage.
AN
Anglea
2 months ago
Exactly! O1.1 and O2.1 keeps it simple.
PE
Pedro
3 months ago
But we need to minimize changes, right?
CA
Catarina
3 months ago
O1.1 and O2.2 might be the best balance.
RO
Roy
3 months ago
I’m leaning towards O1.2 and O2.3. More capacity!
AN
Anglea
3 months ago
I feel the same! It seems like a safe choice.
PE
Pedro
3 months ago
This question is tricky! I think O1.1 and O2.1 could work.
SI
Sina
3 months ago
I thought it was D) O1.2 and O2.1 at first!
BR
Broderick
4 months ago
C) O1 1 and O2 3 could work too, right?
GA
Gail
4 months ago
Wait, are we sure about that? Seems too simple.
NA
Nancey
4 months ago
Totally agree with that choice!
SH
Sheridan
4 months ago
I think the answer is B) O1.1 and O2 2.
MA
Mammie
4 months ago
I feel like O1.2 and O2.3 could work, but I remember there were nuances in how we approached those combinations in class.
SA
Samira
6 months ago
If I recall correctly, to achieve longer usage time, we need higher watt-hour values. I’m considering O1.1 and O2.2, but I need to double-check the calculations.
LA
Lashawna
6 months ago
I think we practiced a similar question where we had to calculate battery life based on wattage. I might lean towards O1.2 and O2.1, but I’m not entirely confident.
DI
Diane
6 months ago
I remember we discussed how watt-hours relate to usage time, but I'm not sure which options give us the right capacity for 8 hours.