Large stable nuclei have more neutrons than protons. Which is the most plausible reason?
a. neutrons are needed to moderate the strong Coulomb repulsion between the protons
b. the neutron is heavier than the proton and thus produces heavier nuclei
c. as protons are added to...
Using sense organs in her legs, a spider can detect vibrations in the web when her prey is captured. When trapped in one web, a 1.0×10-3 kg insect causes the web to vibrate at 15 Hz. What is the force constant of the web?
(a) 3.7*10^-16 Joules
(b)F=1.34*10^.14 Newtons
(c)a=1.48*10^16 m/s^2
(d) time of flight=1.94*10^6 seconds
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