A radian unit of angle (defined as arc length divided by radius) has what dimensions?
A) meters
B) m-1
C) degrees
D) dimensionless
E) grads
D
You might also like to view...
Polyacetylene conducts electricity if it has bonding defects called _________.
Fill in the blank(s) with the appropriate word(s).
The proton-proton chain
a. combines two hydrogen nuclei to produce a single helium nucleus and energy. b. splits a helium nucleus to produce 4 hydrogen nuclei and energy. c. is the mechanism that increases the temperature between the photosphere and corona of the sun. d. is the interactions between protons in Earth's atmosphere that produces auroras. e. produces energy in the core of the sun in the form of gamma-rays, positrons, and neutrinos.
An AC series circuit contains a resistor of 20 W, an inductor of 50 mH, and a variable capacitor. If the frequency of the applied voltage is 500 Hz, to what setting should the capacitor be set if resonance is achieved?
a. 2.4 µF c. 2.0 µF b. 3.4 µF d. 0.8 µF
A 2000-kg sailboat experiences an eastward force of 3000 N by the ocean tide and a wind force against its sails of magnitude 6000 N directed toward the northwest (45° N of W). What is the magnitude and direction of the resultant acceleration?
What will be an ideal response?