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aalyn [17]
3 years ago
7

Explain how to identify a starting position on a line.

Physics
2 answers:
vodomira [7]3 years ago
7 0

Answer:

We can easily find out the beginning point of the line by using dot representation. When it comes to the position vector, it expresses the exact position of a certain object from the starting point of the coordinate system. The vector is a straight line that has a certain end that is fixed to its body.

gladu [14]3 years ago
3 0

Answer: You can easily find out the beginning point of the line by using dot representation. When it comes to position vector, it expresses the exact position of certain object from the starting point of the coordinate system. The vector is a straight line that has a certain end which is fixed to its body.

brainliest please :)

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Light travels through air faster than it travels through water. How would
Airida [17]

Answer:

The fastest thing in the whole universe is the speed of light in a vacuum (like outer space!), clocking in at a great 2.99 x 108 m/s. Light travels in waves, and we call this traveling propagation. Propagation of waves has both a speed and a direction, called the velocity. The velocity of light changes depends on the material it travels through.

I hope it is helpful. Please mark as brilliant

4 0
3 years ago
A cart loaded with bricks has a total mass of 20.4 kg and is pulled at constant speed by a rope. The rope is inclined at 26.1 ◦
Readme [11.4K]

Answer:

Normal force, N = 154.5 N

Explanation:

Given that,

Total mass of the cart, m = 20.4 kg

Angle of inclination, \theta=26.1^{\circ}

Distance moved, d = 20.1 m

The coefficient of kinetic friction between ground and cart is 0.6

The value of acceleration due to gravity, g=9.8\ m/s^2

Let N is the normal force exerted on the cart by the floor. It is given by :

N=mg-T\ sin\theta

T\ cos\theta=\mu N

T\ cos\theta=\mu (mg-T\ sin\theta)

T\ cos(26.1)=0.6 (20.4\times 9.8-T\ sin(26.1))

T = 103.23 N

So, the normal force is :

N=20.4\times 9.8-103.23\ sin(26.1)

N = 154.5 N

So, the normal force exerted on the cart by the floor is 154.5 N. Hence, this is the required solution.

4 0
3 years ago
Which statement is true about the force of gravity?
kumpel [21]

Answer:

The moon's gravity pulls the Earth to make tides.

Explanation:

The Moons Gravity Pulls On The Earth With Different  Strenght Making High Tide And Low Tide.

Hope This Helps!

4 0
3 years ago
Explain how to determine the wavelength of a wave.
raketka [301]
I don’t know if this is helpful, but I found this

6 0
3 years ago
A force of attraction that exists between any two objects is ______
larisa86 [58]
I believe the answer would be A, gravity.
6 0
4 years ago
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