A block is on a frictionless horizontal table, on earth. This block accelerates at 1.9 m/s2 when a 90 N horizontal force is applied to it. The block and table are then set up on the moon where the acceleration due to gravity is 1.62 m/s2
What is the weight of the block on the moon? A) 77 N
B) 67 N
C) 58 N
D) 48 N
E) 39 N
A
Physics & Space Science
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If Q = 350 ?C and I = 4.0 mA in the circuit segment shown below, determine the potential difference, VA?VB.
A. ?30 V B. +80 V C. +40 V D. ?40 V E. +10 V
Physics & Space Science
A nuclide whose "generic" symbol is 64 30X would have ______ protons and ______ neutrons.
A. 64, 30 B. 30, 64 C. 30, 34 D. 34, 30
Physics & Space Science
The ________ of a body decreases as it is moved away from the surface of the Earth.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
If a radioactive element has a half-life of 5760 years, and the amount of parent material remaining is one-fourth of the original amount, the specimen is about
A) 11,520 years old. B) 17,280 years old. C) 23,040 years old. D) 28,800 years old.
Physics & Space Science