The force responsible for chemical bonding is
a. nuclear.
b. electromagnetic.
c. none of these.
d. gravitational.
b
Physics & Space Science
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A 400-N crate rests on a ramp; the maximum angle just before it slips is 15.0° with the horizontal. What is the coefficient of static friction between crate and ramp surfaces?
a. 3.7 b. 0.47 c. 2.1 d. 0.27 e. 0.40
Physics & Space Science
A container with a one-liter capacity at 27° C is filled with helium to a pressure of 2.0 atm. (1 atm = 1.0 × 10^5 N/m2.) How many moles of helium does it hold?
a. 0.041 b. 0.081 c. 0.45 d. 0.90 e. 1.0
Physics & Space Science
T2 = kR3 is known as ______________
Fill in the blank(s) with correct word
Physics & Space Science
Gale Crater is the site of exploration for which Mars rover?
A) Spirit B) Opportunity C) Curiosity D) Sojourner
Physics & Space Science