At the top of a cliff 100 m high, Raoul throws a rock upward with velocity 20.0 m/s. How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff?
a. 5.05 s
c. 2.48 s
b. 3.76 s
d. 1.78 s
C
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By substituting for Eb? (T) performing the integration over the entire spectrum, derive a relationship between ? and the constants C1 and C2
GIVEN
where
FIND
• A relationship between ? and C1 and C2
A truck is carrying a 120-kg refrigerator, which is 2.20 m tall and 85.0 cm wide has its center of mass at its geometrical center. The refrigerator is facing sideways and a short strip on the bed of the truck keeps the refrigerator from sliding
What is the maximum acceleration that the truck can have before the refrigerator begins to tip over? A) 1.90 m/s2 B) 4.17 m/s2 C) 3.79 m/s2 D) 7.58 m/s2 E) 8.34 m/s2
If an R = 1.0-k? resistor, a C = 1.0-?F capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source, what is the maximum current delivered by the source?
a. 0.007 0 A b. 27 mA c. 54 mA d. 0.31 A e. 0.34 A
A radioactive nuclide of atomic number Z emits an electron, then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after both processes?
A) Z - 1 B) Z + 2 C) Z - 3 D) Z + 1 E) Z - 2