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madam [21]
4 years ago
11

How can you make a magnetic field stronger?

Physics
1 answer:
Aleksandr-060686 [28]4 years ago
4 0
You can increase the turns of the coil and flow. The strength can be varied.
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You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads.
Bond [772]

Answer:

d_t=266.918\ miles is the total distance of the trip travelled.

s_{avg}=54.7895\ mph is the average speed of the journey

Explanation:

Given:

  • duration of first interval, t_1=3.22\ hr
  • speed during the first interval, v_1=65.9\ mph
  • duration of stoppage, t_0=42.1\ min=0.7017\ hr
  • duration of second interval, t_2=0.95\ hr
  • speed during second interval, v_2=57.6\ mph

<u>Now the total distance travelled:</u>

\rm distance=speed\times time

d_t=v_2.t_2+v_1.t_1

d_t=57.6\times 0.95+65.9\times 3.22

d_t=266.918\ miles

<u>The average speed:</u>

\rm speed_{avg}=\frac{total\ distance}{total\ time\ taken}

s_{avg}=\frac{d_t}{(t_0+t_1+t_2)}

s_{avg}=\frac{266.918}{(0.7017+3.22+0.95)}

s_{avg}=54.7895\ mph

4 0
4 years ago
8. The copper rod expands when its temperature
olchik [2.2K]

Answer:

c

Explanation:

4 0
3 years ago
JOIN MY Z00M MEETING<br>ID -- 9384026088<br>password 1234​
swat32

Answer:

if Josh ate 1/4 of a pizza what's the fraction of the pizza is left

4 0
3 years ago
Read 2 more answers
How does the numerical value of "e" change as the shape of the ellipse approaches a straight line?
Aleks04 [339]
At eccentricity = 0 we get a circle For 0 < eccentricity < 1 we get an ellipse for eccentricity = 1 we get a parabola for eccentricity > 1 we get a hyperbola for infinite eccentricity we get a lineSHOW FULL ANSWER
4 0
3 years ago
Consider two waves defined by the wave functions y1(x,t)=0.50msin(2π3.00mx+2π4.00st) and y2(x,t)=0.50msin(2π6.00mx−2π4.00st). Wh
guapka [62]

Answer:

They two waves has the same amplitude and frequency but different wavelengths.

Explanation: comparing the wave equation above with the general wave equation

y(x,t) = Asin(2Πft + 2Πx/¶)

Let ¶ be the wavelength

A is the amplitude

f is the frequency

t is the time

They two waves has the same amplitude and frequency but different wavelengths.

4 0
3 years ago
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