Drinking more water or other fluids
<span>a) light is a form of matter less dense
than air
b) light travels in straight lines
c) light has different
colors
d) light has different intensities and can be dim or bright
Yes, thank you for coming back and supplying the list of choices.
At the level of Physics all the way up to somewhere in college, <em>choice-a)</em>
is not a property of light.
</span>
Answer:
A and C is about 12 cm away from each other.
Explanation:
An angle of 60 degrees with the negative y-axis could mean 60 degrees clockwise or counterclockwise, which translates to two possible angles (starting from the positive x-axis and moving counterclockwise) of 210 degrees or 330 degrees.
Then the horizontal component 
of a velocity vector 
with magnitude 
could be one of two expressions:
