A force that determines the chemical properties of an atom is
A) a friction force.
B) a nuclear force.
C) a gravitational force.
D) an electrical force.
E) none of the above
Answer: D
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a. the same as b. larger than c. smaller than d. not related to e. depending on the mass, smaller or larger than
Linear momentum is conserved in
a. an inelastic collision. b. an elastic collision. c. any collision where two objects rebound off each other. d. none of the above.
Scientific Notation: Which one of the following numbers is equivalent to the number 0.0001776?
A. 1.776 × 10-4 B. 17.76 × 10-3 C. 1776 × 10-5 D. 177.6 × 10-7
Car J moves twice as fast as car K, and car J has half the mass of car K. The kinetic energy of car J, compared to car K is
A) 4 to 1. B) 2 to 1. C) the same. D) 42to 1. E) 1 to 2.