Size of the Nucleus: What is the approximate nuclear radius of an isotope of sodium with 11 protons and 12 neutrons?
Fill in the blank(s) with the appropriate word(s).
3.4 × 10-15 m
You might also like to view...
A block of mass m = 8.40 kg, moving on a horizontal frictionless surface with a speed 4.20 m/s, makes a perfectly elastic collision with a block of mass M at rest
After the collision, the 8.40 block recoils with a speed of 0.400 m/s. In the figure, the blocks are in contact for 0.200 s. The magnitude of the average force on the 8.40-kg block, while the two blocks are in contact, is closest to A) 193 N. B) 185 N. C) 176 N. D) 168 N. E) 160 N.
In a RLC circuit, a second capacitor is connected in series with the capacitor previously in the circuit. What is the effect of this change on the impedance of the circuit?
A) It increases. B) It decreases. C) It does not change. D) It increases for frequencies below resonance and decreases for frequencies above resonance. E) It decreases for frequencies below resonance and increases for frequencies above resonance.
The radiation emitted from a small hole in a furnace is
a. ultraviolet. b. infrared. c. x-ray. d. microwave. e. blackbody.
A particle (charge = +40 mC) is located on the x axis at the point x = -20 cm, and a second particle (charge = -50 mC) is placed on the x axis at x = +30 cm. What is the magnitude of the total electrostatic force on a third particle (charge = -4.0 mC) placed at the origin (x = 0)?
a. 41 N b. 16 N c. 56 N d. 35 N e. 72 N