Answer:
balanced unbalanced balanced balanced
Answer:
La frecuencia será la misma en los dos medios, y en el vacio, no varia.
b) Vacío : n = 3,684 10 m 1,33 = 4 900 Å ,3161 10 m 55,1 n
,6 105 10 Hz
3,161 10 m
v 1,93 10 m/s 193548,38 km/s =
1,55
10 3 m/s
n
c
Vidrio v: =
,6 107 10 Hz
3,684 10 m
v 2,25 10 m/s 225 000km/s =
33,1
10 3 m/s
n
c
a
Answer:
<h2>400 J</h2>
Explanation:
The work done by an object can be found by using the formula
workdone = force × distance
From the question we have
workdone = 100 × 4
We have the final answer as
<h3>400 J</h3>
Hope this helps you
Answer:
distance fallen = 122.5 m
speed = 49 m/s
Explanation:
Δd = vi*t - 0.5at^2
Δd = 0 - 0.5(9.8)(5^2)
Δd = -122.5 (i.e. 122.5m down)
a = (vf - vi) / t
9.8 = (vf - 0) / 5
vf = 49