28Al decays by beta-minus decay. What is the daughter nucleus?
A. 28Mg
B. 27Al
C. 24Na
D. 28Si
E. 27Si
D. 28Si
Physics & Space Science
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One reactant of photosynthesis is
a. hydrogen. b. oxygen. c. carbon dioxide. d. methane.
Physics & Space Science
The three types of plate boundaries are convergent, divergent, and ______________ boundaries
Fill in the blank(s) with correct word
Physics & Space Science
A cylinder of weight W1 5 150 lb is supported at two points, 1 and 2, as shown. Neglect friction at the two points of contact. Normal forces N1 and N2 are (in lb):
(A) 75, 130
(B) 130, 75
(C) 125, 150
(D) 75, 120
Physics & Space Science
An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in the internal (thermal) energy of the gas?
A) 50 J B) -25 J C) 0 J D) 25 J E) -50 J
Physics & Space Science