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nataly862011 [7]
3 years ago
7

A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest. immediately after the collision, the 2.0-kg object has

a velocity of 1.5 m/s directed 30o from its initial direction of motion. what is the x-component of the velocity of the 1.0-kg object just after the collision?
Physics
1 answer:
Stells [14]3 years ago
5 0
The answer is 1.5 m/s
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In an electronic transition an atom can not emit what?
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</span><span>In an electronic transition, an atom cannot emit what?

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When an electronic transition is occurring, an atom cannot emit ultra-violet light. 

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3 years ago
g The international space station has an orbital period of 93 minutes at an altitude (above Earth's surface) of 410 km. A geosyn
krok68 [10]

Answer:

r = 4.21 10⁷ m

Explanation:

Kepler's third law It is an application of Newton's second law where the forces of the gravitational force, obtaining

            T² = (\frac{4\pi }{G M_s} ) r³             (1)

           

in this case the period of the season is

            T₁ = 93 min (60 s / 1 min) = 5580 s

            r₁ = 410 + 6370 = 6780 km

            r₁ = 6.780 10⁶ m

for the satellite

           T₂ = 24 h (3600 s / 1h) = 86 400 s

if we substitute in equation 1

            T² = K r³

            K = T₁²/r₁³

            K = \frac{ 5580^2}{ (6.780 10^6)^2}

            K = 9.99 10⁻¹⁴ s² / m³

we can replace the satellite values

            r³ = T² / K

            r³ = 86400² / 9.99 10⁻¹⁴

            r = ∛(7.4724 10²²)

            r = 4.21 10⁷ m

this distance is from the center of the earth

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A cyclist and his bicycle have a combined mass of 88 kg and a combined
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Answer:D

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