Answer:
Radio waves are electromagnetic waves
Explanation:
•Radio waves are electromagnetic waves.
•Satellites are located within our atmosphere.
•Radio waves are very high energy mechanical waves.
•Radio waves are changed to gamma rays for transmission.
<span>Answer:
F = ma
Fx = max
WHERE:
Fx = forces in the x direction
m = mass
ax = acceleration in the x direction
If we look at the figure, there are only two forces in the x direction. The first force is the x component force 4.0 N acting to the right, denoted as +4.0 N. The second force is the 2.0 N force acting to the left, denoted as -2.0 N.
Fx = max
4.0 N - 2.0 N = (7.8 kg)*ax
2.0 N = (7.8 kg)*ax
ax = 0.25641 m/s^2
Because the question is asking you to write it to two significant figures,
==>ax = 0.26 m/s^2</span>
Answer:
it's ii) R is correct while A is incorrect
Explanation:
cuz, both statements are correct but the reason is not the correct reason for the assertion,
Answer:
1.
2.
Explanation:
Given that
f₁= 20 Hz
f₂= 20 KHz
C= 305 m/s
For open pie organ :
<u>Shortest length :</u><u>
</u>
<u>Longest length :
</u>
Here's the handy factoid I always carry around in my toolbox:
When the three dimensions of a solid object all change by a factor of ' K ' . . . .
-- the surface area of the object changes by a factor of K²
-- the volume of the object changes by a factor of K³ .
So I guess if the surface area increases by 3, that means each linear dimension increased by √3, and the volume has to increase by (√3)³ .
That's 5.196 times the dog's original volume.
(And so does his weight. The poor thing is staggering around wondering what was in that last bowl of kibble that he inhaled.)