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stellarik [79]
3 years ago
8

An object acted on by three forces moves with constant velocity. one force acting on the object is in the positive x direction a

nd has a magnitude of 6.3 n; a second force has a magnitude of 4.3 n and points in the negative y direction. find the direction and magnitude of the third force acting on the object.
Physics
1 answer:
Afina-wow [57]3 years ago
4 0
10.6 is the answer i think im not the best at math
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Early experiments with light were understood by explaining the behavior of light in terms of waves. Which experimental result re
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The answer to what experimental result required considering the particle nature of light is A. The ultraviolet catastrophe of blackbody radiation.
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3 years ago
Karla Ayala pulls a sled on an icy road (dangerous!). Because of Karla's pull, the tension force is 151 N, and the rope makes a
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Answer:

W = 1418.9 J = 1.418 KJ

Explanation:

In order to find the work done by the pull force applied by Karla, we need to can use the formula of work done. This formula tells us that work done on a body is the product of the distance covered by the object with the component of force applied in the direction of that displacement:

W = F.d

W = Fd Cosθ

where,

W = Work Done = ?

F = Force = 151 N

d = distance covered = 10 m

θ = Angle with horizontal = 20°

Therefore,

W = (151 N)(10 m) Cos 20°

<u>W = 1418.9 J = 1.418 KJ</u>

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3 years ago
How many atoms are in 3MgCl2?
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Answer:

3MgCl2 has 9 atoms.

Explanation:

The Element Magnesium (Mg) has 3 atoms.

The Element Chloride (Cl) has 6 attoms.

Their fore 6 + 3 is 9 of course. 3MgCl2 has 9 atoms.

BTW: 3MgCl2 is a molecular compound as well as H2O and CO2.

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2 years ago
You have to run 2.2 miles in track. How far is this in feet? Note: There are
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Answer: B

Explanation: This can be easily done by inputting 5280 * 2.2.

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2 years ago
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A woman launches a boat from one shore of a straight river and wants to land at the point directly on the opposite shore. If the
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Answer:

If she stands on the North side of a river flowing to the East at 5 mph,

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x^2 + 5^2 = 10^2 where x is her speed directly across the river

x = (75)^1/2 = 8.66 mph towards the South

sin theta = 5 / 10 = 1/2

She must angle the boat at 30 deg from straight South

4 0
2 years ago
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