When writing in the inverted pyramid style, the first paragraph should include the "who, what, when, where, and why" of the topic.
Answer the following statement true (T) or false (F)
True
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A rectangular-shaped patio has a base length equal to (24.5 ± 0.2) m and a height equal to (9.3 ± 0.1) m. What is the area of the patio, including its uncertainty?
a. 228 ± 4 b. 228 ± 2 c. 228 ± 23 d. 228 ± 6
On a PV diagram, 2 curves are plotted, both starting at the same point (P1, V1) and both ending at the same increased volume (V2). One curve is for an isothermal process; the other is for an adiabatic process. Except for the common starting point, which curve is the upper one?
a. The isothermal process curve will always be the upper one. b. The adiabatic process curve will always be the upper one. c. Since they start at the same point and end at the same volume, they will coincide. d. The isothermal one will start out higher, but the adiabatic one will eventually cross it.
A 4.2-kg object, initially at rest, "explodes" into three objects of equal mass. Two of these are determined to have velocities of equal magnitudes (5.0 m/s) with directions that differ by 90°. How much kinetic energy was released in the explosion?
a. 70 J b. 53 J c. 60 J d. 64 J e. 35 J
In one popular type of fusion reaction, 2H fuses with 3H to yield 4He and
A) a neutron. B) a beta particle. C) an alpha particle. D) a proton. E) Actually no other particle is produced.