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SIZIF [17.4K]
3 years ago
12

Electromagnetic waves can carry more data at higher frequencies. Why would a scientist opt to transmit data at a lower frequency

instead?
Engineering
1 answer:
slamgirl [31]3 years ago
8 0

A scientist opt to transmit data at a lower frequency instead because lower frequencys transmit data farther.
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Type the correct answer in the box. Spell all words correctly. Elaine is an engineer. She has to create a prototype of a machine
Trava [24]

Answer:

the mean time I was wondering if you have any questions or need any further information please contact me at the mean time I was

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3 years ago
Now that we have a second enemy, you will need to make some changes to the script that is attached to your backdrop. Look at tha
JulsSmile [24]

Answer:

<u><em>≡</em></u>

Explanation:

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3 years ago
The 240-ft structure is used to provide various support services to launch vehicles prior to liftoff. In a test, a 12-ton weight
alina1380 [7]

Answer:

hello your question lacks the required question attached below is the missing diagram

Forces in GJ = -4.4444 i.e. 4.4444 tons

Forces in IG = 15.382 tons ( T )

Explanation:

Forces in GJ = -4.4444 i.e. 4.4444 tons

Forces in IG = 15.382 tons ( T )

attached below is the detailed solution

3 0
3 years ago
Write a SELECT statement that returns one row for each customer that has orders with these columns: The email_address column fro
Dafna11 [192]

Answer:

The statement is as follows:

Explanation:

We had better avoid such correlated subqueries by instead using aggregation with GROUP BY:

SELECT

   c.email_address,

   COUNT(DISTINCT o.order_id) AS num_orders,

   COALESCE(SUM(oi.quantity * (oi.item_price - oi.discount_amount)), 0) AS total_amount

FROM customers c

LEFT JOIN orders o

   ON c.customer_id = o.customer_id

INNER JOIN order_items oi

   ON o.order_id = oi.order_id

GROUP BY

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8 0
3 years ago
A car is alone at a red light. When the lights turn green, it's starts at constant acceleration after traveling 100. M, it's is
Leto [7]

The acceleration of the car is 1.125 m/s².

Explanation:

Acceleration refers to the change in velocity of an object per unit time.

There are three basic formulae linking initial velocity ("u"), final velocity ("v"), distance ("s"), time ("t") and acceleration ("a"). They are-

  1. v²=u²+2as
  2. s =u*t+¹/₂(a*t²)
  3. v =u+a*t

All the variable carry the meaning as explained above using formula no 1

Since the car starts from rest (initial velocity "u"=0)

Putting "u"=0 in the formula 1

we get v²=2*a*s

Thus acceleration "a" can be written as a=v²/2s

Putting the value of "v" as 15 m/s and s= 100 m (given in the question)

a=15*15 /(2*100)

a=1.125 m/s²

Thus the acceleration of the car is 1.125 m/s²

3 0
3 years ago
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