200 Joules of heat flows into a 35.0 g sample. If the temperature increases by 10.0 
C then what is the specific heat capacity of the sample, in J/kg 
C?
A. 175
B. 254
C. 375
D. 422
E. 571
E. 571
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Consider an aluminum rod encircling the Earth (radius 6378. km). If the linear thermal expansion coefficient of the aluminum is 24. × 10-6 (C°)-1,
and if the temperature of the rod increases by 1.0 C°, how high off the ground would the expanded ring be (assuming uniform space all around)?
The monthly (30 days) electric bill included the cost of running a central air-conditioning unit for 2.0 hr/day at 5000 W, and a series connection of ten 60 W light bulbs for 5.0 hr/day
How much did these items contribute to the cost of the monthly electric bill if electricity costs 8.0¢ per kWh? A) $21.30 B) $39.50 C) $31.20 D) $13.20 E) $12.30
The distance between two successive wave crests is the ________ of a wave
Fill in the blank(s) with correct word
A nucleon is either a
A) positron or an electron. B) proton or an electron. C) neutron or an electron. D) proton or a neutron.