What is the quark structure of a proton?
a. uud
b. udd
c. uuu
d. ddd
e. the question does not make sense
A
You might also like to view...
How will an isolated, one solar-mass star die?
A) as a neutron star B) as a black hole C) as a white dwarf supernova D) as a white dwarf E) uncertain, since stars can die in any number of ways
Originally 2.00 mol of gas are at standard temperature and pressure If the temperature changes to 47.0°C and the pressure decreases to half of what it was, how many liters do the two moles now occupy? (1 atm = 101 kPa, R = 8.31 J/mol ? K)
What will be an ideal response?
A 2.0-kg mass is projected from the edge of the top of a 20-m tall building with a velocity of 24 m/s at some unknown angle above the horizontal. Disregard air resistance and assume the ground is level. What is the kinetic energy of the mass just before it strikes the ground?
a. 0.18 kJ b. 0.97 kJ c. 0.89 kJ d. 0.26 kJ e. 0.40 kJ
Dielectrics: A parallel-plate capacitor with plate separation of 4.0 cm has a plate area of 6.0 × 10-2 m2.What is the capacitance of this capacitor if a dielectric material with a dielectric constant of 2.4 is placed between the plates, completely filling the space? (?0 = 8.85 × 10-12 C2/N ? m2)
A. 3.7 × 10-12 F B. 3.7 × 10-14 F C. 16 × 10-14 F D. 32 × 10-14 F E. 32 × 10-12 F