Answer:
<h3>The answer is option B</h3>
Explanation:
The wavelength of a wave can be found by using the formula
where
c is the speed of the wave
f is the frequency
From the question
c = 343 m/s
f = 466 Hz
We have
We have the final answer as
<h3>0.74 m</h3>
Hope this helps you
Answer:
m = 1,975 m / kg
, b = 38.05 m
Explanation:
In this experiment, the elongation is plotted against the applied mass
getting a straight line
y = m x + b
where b would be the initial length of spring let's calculate the slope for which we use two well separated points
m = (56.3 -48.4) / (8 - 4)
m = 1,975 m / kg
the equation remains
y = 1,975 x + b
for x = 2 kg y = 42.0 m
we substitute in the equation
42 = 1,975 2 + b
b = 42 - 3.95
b = 38.05 m
Answer:
D) Points down
Explanation:
We can find the direction of the magnetic field produced by each of the wire by using the right hand rule:
- the thumb must correspond to the direction of the current in the wire
- the other fingers wrap around the thumb and gives the direction of the magnetic field lines
For the wire on the right, we have:
- thumb (current): towards you
- other fingers (magnetic field): at the left of the wire, they point down
For the wire on the left, we have:
- thumb (current): away from you
- other fingers (magnetic field): at the right of the wire, they point down
So, both magnetic fields point down at the point halfway between the two wires, so the net field is also pointing down.
Answer = (100 billion stars/galaxy) x (100 billion galaxies/universe)
Answer = (100 billion x 100 billion) stars
Answer = 10,000 billion billion stars
Answer = 10,000,000,000,000,000,000,000 stars
<em>Answer = 10²² stars/observable universe</em>
