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

Physics & Space Science

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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

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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

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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

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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?

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