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Contact [7]
3 years ago
6

Explain the difference between contact and non-contact forces. Give an example of each

Physics
2 answers:
Sergio [31]3 years ago
8 0

Hi there

pushing on something that pushes back = action and reaction.

Gravity is non contact. Action at a distance. Hence stones wil fall if dropped.

Hoped I Helped

Amiraneli [1.4K]3 years ago
7 0

pushing on something that pushes back = action and reaction.

Gravity is non contact. Action at a distance. Hence stones wil fall if dropped.

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3 years ago
The displacement vector from your house to the library is 740 m long, pointing 40 ∘ north of east. Part A What are the x-compone
Ilia_Sergeevich [38]

The horizontal component of the displacement is 566.9 m

Explanation:

The horizontal (x-) and vertical (y-) components of a vector on the Cartesian plane can be found as follows:

v_x = v cos \theta

v_y = v sin \theta

where

v is the magnitude of the vector

\theta is the angle representing the direction of the vector, measured as above the x-axis.

In this problem, we have:

v = 740 m (magnitude of the vector)

\theta=40^{\circ} (direction of the vector)

Therefore, the two components are

v_x = (740)(cos 40)=566.9 m

v_y = (740)(sin 40)=475.7 m

Learn more about vector components:

brainly.com/question/2678571

#LearnwithBrainly

4 0
3 years ago
The speed an object needs to move away from the gravitational pull of the earth is called
svetlana [45]
This would be called the "Escape Velocity "
6 0
3 years ago
2. List a similarity between magnetic force and gravitational force,
DedPeter [7]

Answer:

Both Electrical and Magnetic Forces take place between two charged objects

Explanation:

3 0
3 years ago
An Amtrak going 250m/s comes to a stop in 12s. What is the<br> acceleration?
astraxan [27]

Answer:

a=\frac{v-u}{t}  \\a = \frac{0-250}{12} = -20.83 m/s

Explanation:

you mean deceleration right ? because the acceleration is 250m/s

7 0
3 years ago
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