The ground rises and sinks regularly because of tidal effects
Indicate whether the statement is true or false
TRUE
Physics & Space Science
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A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18° from the vertical and released from rest. At t = 1.2 s:
(a) what angle does it make with the vertical? (b) what is its velocity?
Physics & Space Science
The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 4, there will be how many permitted orbital quantum numbers?
a. 2 b. 4 c. 8 d. 16 e. 32
Physics & Space Science
A cube is 1.0 inch in length on the side (1 in = 2.540 cm). The volume of the cube is
a. 
b. 
c. 
d. 
Physics & Space Science
If Body A's mass is suddenly doubled, then its gravitational force to Body B decreases
a. True b. False Indicate whether the statement is true or false
Physics & Space Science