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allochka39001 [22]
1 year ago
12

Find the magnitude of the sum of these two vectors: B 101 m 60.0 ° 85.0 m A​

Physics
1 answer:
slamgirl [31]1 year ago
3 0

Answer:

M= 161.1 m Deg= 32.9

Explanation:

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) Explain why the foil is attracted at first by the charged rod. Consider any charge that exists in the uncharged foil. (You wil
Arisa [49]

Answer:

The attraction is due to the induced charge.

Explanation:

When we approach a charged rod to a sheet, an induced load is produced in the sheet that is of the same magnitude as the rod of opposite sign, this is because the charges of different sign attract each other, this explains the initial attraction.

This induced load occurs if importing the plate load

The attraction is due to the induced charge.

5 0
2 years ago
What defines "the time of full wave"
eimsori [14]

Answer:

A) Periodic time

Explanation:

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Wave speed is the speed the wave is travelling at

Wave frequency is how many waves pass a fixed point in a given time period

6 0
2 years ago
A forest is most sustainable when it has-
ollegr [7]
I think it is D
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5 0
2 years ago
The A 400 kg spacecraft has a momentum of 30,000 kg·m/s up. What is the velocity? A. 12,000,000 m/s B. 1200 m/s C. 300 m/s D. 75
tia_tia [17]
Momentum of an object is calculated by multiplying the mass by the velocity. 

p = mv 
where:
p = momentum
m = mass
v = velocity

Let's take your given into account and put it in the equation:

p = mv
30,000 kg.m/s = (400kg)v

Velocity is our unknown, so to get it all we need to do is transfer mass (m) to the other side of the equation and isolate the velocity (v). When we do this, we need to use the opposite operation (rules of transposition). 

(30,000kg.m/s)/(400kg) = v

Cancel out the kg and you are left with m/s.

75m/s = v

The answer is then D. 75 m/s.

Now for your second question, as you can see in the formula, mass and velocity is directly proportional to momentum. That means that the higher the mass or the velocity, the higher the momentum.

So if the velocity increases, the momentum increases as well. 




 


8 0
2 years ago
Electrical resistance is a measure of resistance to the flow of _?____
zubka84 [21]

Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the relationship between voltage, current and resistance.

Hope this helps!!!!

8 0
2 years ago
Read 2 more answers
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