The isotope 64Zn has a nuclear radius of 4.8 ×10-15 m. Which of the following is the mass number of an isotope for which the nuclear radius is 6.8 ×10-15 m?
a. 182
c. 145
b. 125
d. 96
A
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Answer the following statement(s) true (T) or false (F)
A free quanton with a well-defined position can also have a well-defined energy
If a force accelerates 4.5 kg at 40. m/s2, that same force would accelerate 18. kg by how much?
A) 0.18 km/s2 B) 40. m/s2 C) 10. m/s2 D) 32. ft/s2 E) 0.16 km/s2
As a result of friction between internal parts of an isolated system
a. the total mechanical energy of the system increases. b. the total mechanical energy of the system decreases. c. the total mechanical energy of the system remains the same. d. the potential energy of the system increases but the kinetic energy remains the same. e. the kinetic energy of the system increases but the potential energy of the system remains the same.
The electric field has a magnitude of 3.00 N/m at a distance of 60.0 cm from a point charge. What is the charge?
A. 1.40 nC B. 120 pC C. 36.0 mC D. 12.0 ?C E. 3.00 nC