Answer:
Explanation:
The drawing is missing but we can still answer.
In fact, for a stone being whirled on a tabletop, the tension in the cord provides the centripetal force that keeps the stone in circular motion; therefore we can write:
where
T is the tension
m is the mass of the stone
v is the speed
r is the radius of the circle
For the first stone, we have
(1)
While for the second stone,
(2)
since m and v are identical for the two stones. We know that the first cord is longer, such that the radius of the circle in the 1st case is twice that of the second case:
So, substituting into (1),
which means that the tension in the longer cord is half the tension in the shorter cord.
Answer:
110 yds
Explanation:
Well if 55 yards is 1/2 of the field then 2 x 55 = 110 yards is total field length
Answer:
yes
Explanation:
<em>A critical period?
</em>
<em>A.begins and ends abruptly
</em>
<em>B.begins and ends gradually
</em>
<em>C.is unaffected by stimuli
</em>
<em>D.is unlikely to impact development</em>
<em>correct answer (A.begins and ends abruptly
)</em>
Answer:
Transmissivity is
Explanation:
So the well 1 has
r1=26ft
h1=29.34ft
The well 2 has
r2=73 ft
h2=32.56 ft
Converting the rate of flow from gal/min to ft3/day
Now the transmissivity is is given as
Now by substituting values
Now converting it to ft^2/sec
Transmissivity is
There must be a equal opposite reaction.
E=mv2