150 kcal of heat raises the temperature of 2.0 kg of material by 400 F. What is the material's specific heat capacity?
A)
1.35 kcal/kgC
B)
1.31 kcal/kgC
C)
0.75 kcal/kgC
D)
0.34 kcal/kgC
E)
0.19 kcal/kgC
Question 2
A centrifuge takes 100 s to spin up from rest to its final angular speed with constant angular acceleration
. A point located 8.00 cm from the axis of rotation of the centrifuge moves with a speed of 150 m/s when the centrifuge is at full speed.
(a) What is the average angular acceleration of the centrifuge as it spins up?
(b) How many revolutions does the centrifuge make as it goes from rest to its final angular speed?
Aquatic microclimates: aquatic environments generally show less temperature variation compared to te
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