Tsunami are correctly referred to as
A) seismic sea waves.
B) tidal waves.
C) energy waves.
D) mega waves.
Answer: A
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A bridge is made with segments of concrete 50 m long. If the linear expansion coefficient is 12 × 10^?6 (°C)?1, how much spacing (in cm) is needed to allow for expansion during an extreme temperature change of 150° F?
a. 10 b. 2.5 c. 7.5 d. 5.0 e. 9.5
Answer the following statement(s) true (T) or false (F)
1. Suppose we add a certain amount of energy to a quanton in a box, increasing its energy from 
. Adding the same amount of energy again will increase its energy to 
.
2. Suppose we add a certain amount of energy to a simple quantum harmonic oscillator, increasing its energy
from 
. Adding the same amount of energy again will increase its energy to 
When a moving spaceship emits regularly-spaced flashes of light, how frequently you see the flashes depends on the ship
A) approaching you. B) receding from you. C) either of these D) none of these
A 25-kg television set rests on four rubber pads, each having a height of 1.0 cm and a radius of 0.60 cm. A horizontal force is applied to the television set
When the pads are at the point of sliding, how far has the television set moved sideways? The coefficient of friction between the rubber and the floor is 1.0 and the shear modulus of rubber is 2.6 × 106 N/m2. A) 16 mm B) 8.4 mm C) 4.2 mm D) 2.1 mm E) 1.1 mm