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Serggg [28]
1 year ago
14

Both ?? PLEASE PLEASE THANK YOU SO MUCH

Physics
1 answer:
Brut [27]1 year ago
8 0

Answer:

18 kg·m/s

26 kg·m/s

Explanation:

5)  J = Ft = (6N)(3s) = 18 kg·m/s

6)  J = Ft = (6N)(3s) = 18 kg·m/s

J = Δp = p2 - p1

p1 = mv = (4kg)(2m/s) = 8 kg·m/s

p2 = J + p1 = 18 kg·m/s + 8 kg·m/s = 26 kg·m/s

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What two quantities must stay the same in order for an object to have a constant velocity?
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2. Does the amount of iron in the water affect plant growth?
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Answer:

Yes, the amount of Iron can affect the growth of plant.

Explanation:

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Discuss what it means to view a moving objectt from a frame of reference. Supply an example that illustrates your explanation.
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5 0
3 years ago
Two parallel wires carry currents in the same direction. If the currents in the wires are 1A and 4A and the wires are 5 m apart.
serious [3.7K]

Answer:

1.6\times 10^{-7} N

2.4\times 10^{-7} N

Explanation:

i_{1} = 1 A

i_{2} = 4 A

r = distance between the two wire = 5 m

F = Force per unit length acting between the two wires

Force per unit length acting between the two wires is given as

F = \frac{\mu _{o}}{4\pi }\frac{2i_{1}i_{2}}{r}

F = (10^{-7})\frac{2(1)(4)}{5}

F = 1.6\times 10^{-7} N

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Magnetic field midway between the two wires is given as

B = \frac{\mu _{o}}{4\pi } \left \left ( \frac{2i_{2}}{r'} \right - \frac{2i_{1}}{r'} \right \right ))

B = (10^{-7}) \left \left ( \frac{2(4)}{2.5} \right - \frac{2(1)}{2.5} \right \right ))

B = 2.4\times 10^{-7}

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3 years ago
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