A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2 . What is the time interval required for it to reach a 10-rad displacement after starting from rest?
a. 28 s
c. 56 s
b. 2.0 s
d. 18 s
A
Physics & Space Science
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For a mole of material, the increment of heat (dQ) added to the material divided by the change in temperature (dT) is the heat _____________.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
A compound that contains water molecules as part of its formula is called
a. a hydrate. b. an anhydride. c. a hydride. d. a hydroxide.
Physics & Space Science
In neutron capture by an atomic nucleus, the atomic number changes by
a. ?2. b. ?1. c. 0. d. +1. e. +2.
Physics & Space Science
What is a hydrocarbon?
A) It is a molecule composed of carbon and hydrogen only. B) It is a wet carbon atom. C) It is any organic molecule. D) It is a molecule derived from hydrogen synthesis. E) none of the above
Physics & Space Science