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Agata [3.3K]
2 years ago
5

Method to separate the . sand+iron fillings​

Physics
2 answers:
KengaRu [80]2 years ago
7 0

Answer:

by using a magnetic field

valkas [14]2 years ago
3 0

Use a magnet to attract the iron fillings from the sand!

Hope this helps!

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If a calorie is equivalent to 4.184 joules how many joules are contained in 250 kg calories slice of pizza
Andreyy89
In order to answer this, we will set up a simple ratio as such:

1 calorie = 4.184 joules

1 kilocalorie = 1000 calories

1 kilocalorie = 4,184 joules

250 kilocalories = x joules

Cross multiplying the second and third equations, we get:

x joules = 4,184 * 250

250 kilocalories are equivalent to 1,046 kJ
6 0
3 years ago
A squirrel on a limb near the top of a tree loses its grip on a nut, so that the nut slips away horizontally at a speed of 1.5m/
tatiyna

Answer:

The height of the squirrel  h =113 \  m

Explanation:

From the question we are told that  

    The horizontally speed is v  = 1.5 m/s

    The horizontal  distance d =  7.2 \ m

Generally the the time taken is mathematically represented

      t = \frac{d}{v}

=>   t = \frac{7.2}{1.5}

=>   t = 4.8 \  s

Generally from kinematic equation we have that

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Here u  is the initial velocity of nut in the vertical and the value is 0 m/s

     h =  0 * 4.8  + \frac{1}{2} * 9.8 * (4.8)^2

=>  h =113 \  m

6 0
3 years ago
What is the equivalent resistance of a series circuit with the following resistors: 10 ohms, 35 ohms, and 150 ohms?
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Answer: R=10+35+150

R=195Ω

Explanation:

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