Track lighting is not permitted to be installed less than ____________ above the floor unless it has an open-circuit voltage of
less that 30 volts RMS. Select one:
a. 5 feet (1.5 m)
b. 6 feet (1.8 m)
c. 6 feet 7 inches (2.0 m)
d. 7.5 feet (2.3 m)
1 answer:
B is the answer hope this helps
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The mass lost in the nuclear reaction is all converted to energy.
Answer:
W = 5/4 Mgℓ
Explanation:
Sum of forces:
∑F = ma
T − Mg = M (g/4)
T = 5/4 Mg
Work = force × distance
W = Tℓ
W = 5/4 Mgℓ
True is the correct answer
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