A 1000-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 80.0 N in a direction 30.0° west of north
In what direction should the second cable pull so that the barge will accelerate northward, if the force exerted by the cable is 120 N? Assume that the water exerts no appreciable frictional drag on the barge.
A) 47.5° east of north
B) 19.5° east of north
C) 39.0° east of north
D) 21.1° east of north
E) 54.7° east of north
B
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a. 0.440 T b. 1.25 T c. 0.600 T d. 1.67 T
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A. 50 mW B. 500 ?W C. 2.5 kW D. 0.50 kW
If all the uranium in the world were exhausted, breeder reactors would be
A) in greater demand. B) relics of a brief age. C) both of these D) neither of these
In covalently bonded materials the creep mechanism of dislocation glide generally starts at a temperature of _________percent of the melting temperature in kelvin.
Fill in the blank(s) with the appropriate word(s).