The straight-line distance and direction between two points are, together, called
a. velocity.
b. displacement.
c. distance.
d. acceleration.
b
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Consider the following statement, and explain whether or not it is sensible: Last night I saw Jupiter in the constellation Ursa Major
What will be an ideal response?
At the time of the summer solstice, in the United States,
a. the number of hours of daylight is greater than the number of hours of darkness. b. the number of hours of daylight is equal to the number of hours of darkness. c. the number of hours of daylight is less than the number of hours of darkness. d. none of the above is true.
A grating with 8000 slits space over 2.54 cm is illuminated by light of a wavelength of 546 nm. What is the angle for the third order maximum?
a. 
b. 
c. 
d. 
All neutron stars are pulsars, but not all pulsars are neutron stars
Indicate whether the statement is true or false