ACT Science OG Test 2 - Passage VI

Questions 35-40 are based on the following passage.

Quarks constitute 1 of tlie 3 ·classes.of elementary par­ticles that form all matter in the universe. Three quarks bound together form a type of particle called a baryon. A quark's effective mass (mass when bound to other quarks) is greater than its single-quark mass (mass when unbound). In addition, all quarks possess a property; called spin. A quark's spin can be oriented in 1 of 2 directions, spin-up (↑) or spin-down(↓).

Table 1 lists the symbol, electric charge, and approxi­mate single-quark mass for each of the 6 quarks.




Table 2 gives the symbol, mass, quark content, and quark spins for several baryons.



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For all quarks, the amount of spin is always 1/2 ℏ, where ℏ is a constant. A spin-up quark bas spin + 1/2 ℏ, and a spin-down quark has spin − 1/2 ℏ, Given that the spin of a baryon equals the sum of its quark spins, what are the spins of the Λ⁰ and Δ⁰ baryons listed in Table 2?