A certain metal has a resistivity of 1.68 × 10-8 ? ? m. You have a long spool of wire made from this metal. If this wire has a diameter of 0.15 mm, how long should you cut a segment so its resistance will be 15 ??
A) 16 mm
B) 16 cm
C) 1.6 m
D) 16 m
D
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A system has an increase in internal energy of 60 J while 90 J was removed from the system by heat. How much work was involved during this process and was it done on the system or done on its environment?
a. 30 J on the system b. 30 J on the environment c. 150 J on the system d. 150 J on the environment
A 5.0-kg object is lifted 1.1 m from the floor to a table. What is the object's gravitational potential energy relative to the floor?
The ____________________ period of the moon is the time required for one revolution of the moon around Earth with respect to the stars
Fill in the blank(s) with correct word
Determine the energy stored in C2 when C1 = 15 ?F, C2 = 10 ?F, C3 = 20 ?F, and V0 = 18 V.
A. 0.72 mJ B. 0.32 mJ C. 0.50 mJ D. 0.18 mJ E. 1.60 mJ