Answer:
C. Angular Separation
Explanation:
The term angular distance (or separation) is technically synonymous with angle itself, but is meant to suggest the (often vast, unknown, or irrelevant) linear distance between these objects (for instance, stars as observed from Earth).
Answer:
Temperature in Fahrenheit will be 124.52°F and in kelvin 324.4 K
Explanation:
We have given temperature in of silver in degree Celsius as 
We have to convert this temperature in Fahrenheit and kelvin
For Fahrenheit
Temperature in Fahrenheit = 
For kelvin
In kelvin = 51.4+273 = 324.4 K
So temperature in Fahrenheit will be 124.52°F and in kelvin 324.4 K
It acts in the upward direction.
Answer:
B. Vestibular nuclei
Explanation:
The nerve information generated by the vestibular receptors travels through the vestibular portion of the eighth pair that penetrates the brain stem at the level of the brain stem bridge. At this level there are four vestibular nuclei, which receive the synapses of these axons, coming from the ridges and macules. The semicircular ducts predominantly terminate in the superior and medial nuclei. While the fibers coming from the macules end on the lateral, medial and inferior nuclei. Some fibers of the eighth pair end in the flocculonodular lobe of the cerebellum, <u>these connections play an important role in controlling posture and balance.</u>
From the vestibular nuclei, two bundles of fibers descending to the spinal cord originate from the medial and lateral vestibular spinal bundles and a bundle of fiber that rises in the brain stem that participates in the coordination of eye movements, the medial longitudinal fascicle, which participates in Rotational nystagmus This system also participates in an important way in the control of some ocular movements by the fibers that it contributes to the medial longitudinal fascicle, which is a structure that interconnects the motor nuclei of the extrinsic muscles of the eyeballs VI or abdicens nucleus (abductor) on one side and IV or pathetic nucleus (trochlear) and III or nucleus of the common ocular motor (oculomotor) on the opposite side.
Answers:
a) 
b) 
c) 
Explanation:
A unit vector is a vector whose magnitude (length) is equal to 1. This kind of vector is identified as
and the way to calculate is as follows:

Where:
is the vector
is the magnitude of the vector
Having this information clarified, let's begin with the answers:
a) Force Vector

Magnitude of
:

<u />
<u>Unit vector:</u>



b) Displacement Vector

Magnitude of
:

<u />
<u>Unit vector:</u>



c) Velocity Vector

Magnitude of
:

<u />
<u>Unit vector:</u>


