In addition to bandages and gauze, it's recommended that a first aid kit also contain ___________. A) A finger splintB) Portable
1 answer:
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Answer:
The diffusion coefficients for iron in nickel are given at two temperatures:
T (K) 1273 1473
D (/s) 9.4 ×
2.4 ×
(a) Determine the values of Do and the activation energy Qd.
(b) What is the magnitude of D at 1100°C (1373 K)?
<em>A </em>
<em>The pre-exponential factor Do = 2.1 x </em><em></em>
<em>The activation energy Qd = 252,609 J/mol</em>
<em>B</em>
<em>The diffusion coefficient D= 5.14 x </em><em></em>
Explanation:
The full explanation is contained in the attached images;
Answer:
8.62m/s²
Explanation:
the particle is experiencing both translational and circular motion
v=4t²
=
=8t
at t=1s, =8(1)=8m/s²
=
at t=1, v= 4(1)² = 4m/s
=4²/5
=3.2m/s²
∴ magnitude of total acceleration, a
a=
a=
a=
a=
a=8.62m/s²