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My name is Ann [436]
3 years ago
7

if the forces are moving in the same direction, ____ the forces. Please help i’m actually so confused!

Physics
1 answer:
jasenka [17]3 years ago
6 0

Answer:

Explanation:

the directions may change

Or they will repel and become opposite sides

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Which method will correctly determine whether the forces on an object are balanced or unbalanced?
MaRussiya [10]

For this case, the first thing you should do is define a reference system.

Once the system is defined, we must follow the following steps:

1) Do the sum of forces in a horizontal direction

2) Do the sum of forces in vertical direction

The forces will be balanced if for each direction the net force is equal to zero.

The forces will be unbalanced if for each direction the net force is nonzero.

Answer:

Add the forces in the horizontal and vertical directions separately.

6 0
3 years ago
Read 2 more answers
When friction slows a sliding block___
Svetradugi [14.3K]

Answer:

A

Explanation:

When friction slows a sliding block, <u>the kinetic energy of the block is transformed into internal energy .</u>

<em>The frictional movement of two surfaces over one another leads to the conversion of some of their kinetic energies to another energy - heat or thermal energy. Hence, the temperatures of the objects are raised in the process. </em>

<u>Therefore, when a sliding block is slowed down due to friction, some of the kinetic energy of the block would be transformed into internal energy in the form of heat.</u>

The correct option is A.

6 0
3 years ago
PLEASE HURRY NEED ASAP
daser333 [38]
I THINK THIS IS THOUGHTS AND FEELINGS
3 0
3 years ago
A grating has 460 rulings/mm. What is the longest wavelength for which there is a 6.0th-order diffraction line
mestny [16]

Answer:

λ = 3.62 x 10⁻⁷ m = 362 nm

Explanation:

The grating equation gives the relationship between the wavelength, the diffraction line order and the diffraction angle. The grating equation is written as follows:

mλ = d Sinθ

where,

m = order of diffraction = 6

λ = longest wavelength = ?

d = 1/(460 rulings/mm)(1000 mm /1 m) = 2.17 x 10⁻⁶ m/ruling

θ = Diffraction angle = 90° (for longest wavelength)

(6)λ = (2.17 x 10⁻⁶ m/ruling) Sin 90°

λ = (2.17 x 10⁻⁶ m/rulings)/6

<u>λ = 3.62 x 10⁻⁷ m = 362 nm</u>

3 0
3 years ago
A visitor to a lighthouse wishes to determine the height of the tower. The visitor ties a spool of thread to a small rock to mak
dsp73

7.47 = 6.2832*√L/g  

55.80 = 39.48*L/9.8  

L = 55.80*9.8/39.48 = 13.85 m

Your answer should be 13.85m! Hope this helps!

5 0
3 years ago
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