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Pani-rosa [81]
3 years ago
15

Which of the following accurately describes circuits? A. In a parallel circuit, the same amount of current flows through each pa

rt of the circuit. B. In a series circuit, the amount of current passing through each part of the circuit may vary. C. In a parallel circuit, there's only one path for the current to travel. D. In a series circuit, the current can flow through only one path from start to finish.
Physics
2 answers:
rodikova [14]3 years ago
7 0
<span>D. In a series circuit, the current can flow through only one path from start to finish.</span>
Inga [223]3 years ago
7 0

In a series circuit, the current can flow through only one path from start to finish.

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What is the mass of an object that weighs 500 newtons on earth?
Eva8 [605]
The mass would be 51 kg. So b is the right answer.
6 0
3 years ago
the resistor of values 6 ohm,6 ohm are connected in series and 12 ohm are connected in parallel. the equivalent resistance of th
andrezito [222]

Answer:

The equivalent or total resistance of the circuit is 6

Explanation:

6 &6 are in series

6+6=r

r= 12

1/Rtotal= 1/12+1/2

1/Rt=2/12=1/6

Rt=6

6 0
2 years ago
A centrifuge is a device used to separate materials by their masses. A sample in a centrifuge is rotated at high speeds along a
german

Answer:

 F = 1.047 10⁻² N

Explanation:

Let's use kinematics to find the angular acceleration

             w = w₀ + α t

as for rest w₀ = 0

             w = α t

             α = w / t

let's reduce the magnitudes to the SI system

              w = 1000 rev / min (2π rad/ 1 rev) (1 min/ 60s) = 104.72 rad / s

              m = 1.00 g (1 kg / 1000 g) = 1,000 10⁻³ kg

              r = 10.0 cm (1 m / 100 cm) = 0.100 m

let's calculate

              α = 104.72 / 1

              α = 104.72 rad / s²

angular and linear variables are related

               a = α  r

               a = 104.72 0.100

               a = 10.47 m / s²

finally we substitute in Newton's second law

               F = 1 10⁻³ 10.47

               F = 1.047 10⁻² N

8 0
3 years ago
A 45.0 kg skier testing a new competitive ski wax drops off a ledge, goes into a crouch and goes straight down a slope of 10.0◦
Neko [114]

Answer:

v = 21.03 m/s

Explanation:

given,

mass of skier = 45 kg        

the slope of the snow = 10.0◦      

coefficient of friction = 0.114  

distance traveled = 300 m      

speed = ?              

Acceleration = g sin θ - µ g Cos θ        

= 9.8 × Sin (10°) - 0.10 × 9.8 × Cos(10°)        

= 0.737 m/s²      

using equation of motion        

v² = u² + 2 a s        

v² = 0 + 2 × 0.737 × 300            

v = 21.03 m/s                  

Speed of skier's after travelling 300 m speed is  equal to 21.03 m/s

6 0
3 years ago
How should the flight controls be held while taxiing a tricycle-gear equipped airplane with a left quartering tailwind?
AlexFokin [52]
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</span>
5 0
3 years ago
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