3 years ago

Why does buying locally grown fruits and vegetables decrease your carbon footprint?

Physics

2 answers:

Jlenok [28]3 years ago

7 0

C. less fuel used to deliver

o-na [289]3 years ago

6 0

Its B less fuel is used to deliver these products to the market

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Answer:

2m/s.

Explanation:

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A NASA explorer spacecraft with a mass of 1,000 kg takes off in a positive direction from a stationary asteroid. If the velocity

Jet001 [13]

Before the launch, the momentum of the (spacecraft + asteroid) was zero. So after the launch, the momentum of the (spacecraft + asteroid) has to be zero.

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Momentum after the launch:

Spacecraft: (1,000 kg) x (250 m/s) = 250,000 kg-m/s

Asteroid: (mass) x (-25 m/s)

Their sum: 250,000 - 25(mass) .

Their sum must be zero, so 250,000 kg-m/s = (25 m/s) x (mass)

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Divide each side by (1 m/s) : 10,000 kg = mass

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In the figure, if Q = 52 µC q =10 µC and d = 55 cm, what is the magnitude of the electrostatic force on q?

GenaCL600 [577]

Answer:

F = 15.47 N

Explanation:

Given that,

Q = 52 µC

q = 10 µC

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We need to find the magnitude of the electrostatic force on q. The formula for the electrostatic force is given by :

$F=k\dfrac{q_1q_2}{d^2}\\\\F=9\times 10^9\times \dfrac{52\times 10^{-6}\times 10\times 10^{-6}}{(0.55)^2}\\\\F=15.47\ N$

So, the magnitude of the electrostatic force is 15.47 N.

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Am un test de rezolvat la fizică mă puteți ajuta

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