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Amiraneli [1.4K]
3 years ago
9

What measures the distance between two consecutive crests of a wave?

Physics
1 answer:
Marina86 [1]3 years ago
8 0
Answer A is incorrect
A crest is just one point. It is not the distance between 2 crests.

B  is incorrect
A trough is just 1 point. It is not the distance between 2 troughs.

C is incorrect.
the amplitude measures the height of a crest from the middle of the wave to the crest (or trough).

D is the correct answer. That is the distance between 2 crests or 2 troughs 
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Maria's mother was deported 6 months ago, and she is staying with a cousin. She has to share a room with 3 other children and is
svetlana [45]
The answer would be A.
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3 years ago
In this lab, you will use a cart and a track to explore Newton’s second law of motion. You will vary two different variables and
lutik1710 [3]

Questions that can be answered by doing the experiment and making observations scientifically:

1).  How long will it take to perform the complete experiment ?

2). Will it be daytime or night-time when the experiment begins ?

3). What will be the range of outdoor temperatures during the experiment ?

4). How many times will progress of the experiment be suspended in order to take phone calls ?

6 0
4 years ago
a uniform electric field E=15 N/C points downwards. A particle with charge q=-0.15 C is placed in the electric field. What is th
Alex17521 [72]

Answer:

2.25 N upwards

Explanation:

Answer:

800 N/C to the right

Explanation:

The equation that relates force on a charge, electric field and charge is

F=qE

where

F is the force acting on the charge

q is the charge

E is the electric field

In this problem, we have

E=15 N/C is the electric field

q=-0.15 C is the charge

Substituting into the formula, we find the force

F=(-0.15 C)(15 N/C)=-2.25 N

Concerning the direction:

- The electric field and the force have same directions if the charge is positive

- The electric field and the force have opposite directions if the charge is negative

Here the charge is negative, so the electric field has opposite direction to the force: therefore, it must be upwards.

3 0
3 years ago
An aluminum screw has a density of 2.7 g/mL and a volume of 15mL. What is the mass of the screw ?
vladimir1956 [14]

the answer is 40.5 because you have to multiply the density and volume of the object to get the mass.

6 0
3 years ago
On a spending spree in Malaysia, you buy an ox with a weight of 28.9 piculs in the local unit of weights: 1 picul = 100 gins, 1
Talja [164]

Answer:

1747.41 kg

Explanation:

If          1 piculs = 100 gins,

Then     28.9 piculs = (28.9 × 100) gins = 2890 gins.

Also,

If         1 gin = 16 tahils

then   2890 gins =( 16 × 2890 ) = 46240 tahils

Also,

If         1 tahil = 10 chees,

Then    46240 tahils = 46240 × 10 chees = 462400 chees.

Also,

If           1 chee = 10 hoons

Then      462400 chees =( 10 × 462400) hoons = 4624000 hoons.

Also,

If            1 hoon = 0.3779 g,

Then     4624000 hoons = 0.3779 × 4624000 = 1747409.6 g.

The mass in kg that i will declare in the shipping manifest = (1747409.6/100 )kg = 1747.41 kg

6 0
3 years ago
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