Evaluate Heat Device
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Calculate
Δ
T
\Delta T
Δ
T
for a test with
T
i
=
50
∘
C
T_i = 50\, ^\circ\text{C}
T
i
=
50
∘
C
and
T
f
=
41
∘
C
T_f = 41\, ^\circ\text{C}
T
f
=
41
∘
C
.
QUESTION
Choose the correct evaluation: Criterion is mass
≤
200
g
\le 200\ \text{g}
≤
200
g
; Device mass is
215
g
215\ \text{g}
215
g
.
QUESTION
Compute percent error: accepted
100
J
100\ \text{J}
100
J
, measured
92
J
92\ \text{J}
92
J
.
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ANSWER
8
%
8\%
8%
.
∣
92
−
100
∣
100
×
100
%
=
8
100
×
100
%
\frac{|92-100|}{100} × 100\% = \frac{8}{100} × 100\%
100
∣92
−
100∣
×
100%
=
100
8
×
100%
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