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tangare [24]
3 years ago
10

Which statements describe a situation with a displacement of zero? Check all that apply.

Physics
2 answers:
lakkis [162]3 years ago
8 0

Answer:

1.  running exactly one lap around a racetrack

Explanation:

Displacement is the distance moved in a specified direction. For displacement to be zero the movement must be such that movement it should start and end at the same spot in a specified direction. Unlike other options a racetrack is defined and since it is moving around, it implies that the runner will return to its original position which completes a lap.

Ratling [72]3 years ago
7 0

riding on a Ferris wheel whose entrance and exit are the same

walking around the block, starting from and ending at the same house

running exactly one lap around a racetrack

Explanation:

Displacement is the distance moved in a specific direction. It is a vector quantity which shows magnitude and direction of a moving body.

For a displacement to be zero, it must start and end at point.

  • riding on a Ferris wheel whose entrance and exit are the same
  • walking around the block, starting from and ending at the same house
  • running exactly one lap around a racetrack

Learn more:

Displacement brainly.com/question/5461768

#learnwithBrainly

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The weight y of a fiddler crab is directly proportional to the 1.25 power of the weight x of its claws. A crab with a body weigh
frez [133]

Answer:

The weight of body is 1.3040 gram.

Explanation:

Given that,

The weight y of a fiddler crab is directly proportional to the 1.25 power of the weight x of its claws.

Suppose a crab with a body weight of 1.8 gram has claws weighing 1.1 gram.

Estimate the weight of a fiddler crab with claws weighing 0.85 gram.

Determine the weight of crab body

We need to calculate the value of proportional constant

y\propto x^{1.25}

y=kx^{1.25}

k=\dfrac{y}{x^{1.25}}

Put the value into the formula

k=\dfrac{1.8}{1.1^{1.25}}

k=1.5978

We need to calculate the crab weight

y=kx^{1.25}

Here, x = 0.85 g

Put the value into the formula

y=1.5978\times(0.85)^{1.25}

y=1.3040\ gram

Hence, The weight of body is 1.3040 gram.

7 0
4 years ago
Find the x-component of this vector: 47.3 m 39.4 ° Remember, angles are measured from the + x axis. x-component (m)
Stells [14]
The answer to this question is 86.7
3 0
4 years ago
Read 2 more answers
How many atoms are in 2Mg3(PO4)2?
gogolik [260]

Answer:

13 atoms

Explanation:

Look at the subscripts.

“Mg₃” means that there are 3 magnesium atoms; “PO₄” means that there is 1 phosphorus atom and 4 oxygen atoms. But note that the PO₄ group has a subscript too: 2. This multiplies the atom count by 2, so you have 2 phosphorus atoms and 8 oxygen atoms.

3 + 2 + 8 = 13

(hope this helps can i plz have brainlist :D hehe)

8 0
3 years ago
\Parts of a device that use radio waves. On the left is a box labeled A. On the right is a box labeled B. There is a vector poin
Elodia [21]

The radio waves travels between the two boxes and they were travelling through air,

  • Box B captures, amplifies and demodulates radio waves.
  • Box A modulates, amplifies and send out radio waves.

<h3>What are radio waves?</h3>
  • Radio waves are the type of radiation from the electromagnetic spectrum.
  • The radio waves can be used in communication technologies like computer, phones, radios , etc..
  • Radio waves have lower frequencies but longer wavelength.
  • These devices will get signal and then it transmit as mechanical waves through sound.

In that way, the radio waves from box A to B through air, the box A will gets the signal, and then modulates, amplifies and then it send out radio waves. Through the air, Box B will captures, amplifies and demodulates radio waves.

Learn more about radio waves,

brainly.com/question/13989450

#SPJ1

3 0
2 years ago
Ac circuits have… A. Two current paths. B many current paths. C one current path. D two voltage paths
kow [346]
I would say…

B) they have many current paths
3 0
3 years ago
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