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alukav5142 [94]
1 year ago
14

A wolf spider runs 75 cm west, then turns and runs 50 cm south. Which choice gives the correct solution for the resultant? Quest

ion 22 options: R2 = 752 + 502 R2 = 752 + 502 - 2(75)(50) cos 60 R2 = 752 502 R2 = 752 502 - 2(75)(50) cos 90
Physics
1 answer:
Serga [27]1 year ago
4 0

The correct solution for the resultant of the wolf spider is:

R² = 75² + 50²

<h3>Resultant formula</h3>

R² = (Displacement 1)² + (Displacement 2)²

Where

  • R is the resultant displcaement

See attach photo for diagram

<h3>Data obatined from the question</h3>

The following data were obtained from the question.

  • Displacement 1 = 75 cm west
  • Displacement 2 = 50 cm south
  • Resultant dispalcement (R) =?

<h3>How to determine the solution for the resultant </h3>

The solution for the resultant displacement of the wolf spider can be obtained as follow:

R² = (Displacement 1)² + (Displacement 2)²

R² = 75² + 50²

Thus, the correct answer to the question is:

R² = 75² + 50²

Learn more about resultant displacement:

brainly.com/question/13947057

#SPJ1

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fenix001 [56]

Answer:

See below

Explanation:

Vertical position is given by

df = do + vo t - 1/2 a t^2      df = final position = 0 (on the ground)

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                                            vo = original <u>VERTICAL</u> velocity = 0

                                            a = acceleration of gravity = 9.81 m/s^2

THIS BECOMES

0 = 2 + 0 * t  - 1/2 ( 9.81)t^2

  to show t =<u> .639 seconds to hit the ground </u>

During this .639 seconds it flies horizontally at 10 m/s for a distance of

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5 0
1 year ago
Clara rushes 30m to a truck then turns and walks back. Total travel is 120s what is her average velocity?
navik [9.2K]

Taking into account the definition of velocity, Clara's average velocity is 0.5 m/s.

<h3>Definition of velocity</h3>

Velocity is a physical magnitude that relates the displacement of an object, the time it takes to make this change in position and direction. So it is considered a vector magnitude.

In other words, the velocity can be defined as the amount of space traveled per unit of time with which a body moves, considering the direction, and can be calculated using the expression:

velocity= distance traveled÷ time

<h3>Average velocity of Clara</h3>

Clara rushes 30 m to a truck then turns and walks back. Total travel is 120s. Then, you know:

  • distance traveled= 30m rushing + 30m walking back= 60 m
  • time= 120 s

Replacing in the definition of velocity:

velocity= 60 m÷ 120 s

Solving:

<u><em>velocity= 0.5 m/s</em></u>

Finally, Clara's average velocity is 0.5 m/s.

Learn more about velocity:

brainly.com/question/4418301

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emmasim [6.3K]

Answer:

D

Explanation:

As we progress and learn more, scientists make new discoveries that can contradict earlier discoveries, and since are technology is better today we are able to discover a lot more to add to or change our previous theories.

6 0
3 years ago
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