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svlad2 [7]
3 years ago
6

How much power flows through a circuit with 1 amp and 120 volts

Physics
1 answer:
Scorpion4ik [409]3 years ago
3 0
Answer:
120 Watts

Explanation:

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A 2.1 cm length of tungsten filament in a small lightbulb has a resistance of 0.067 ω. find its diameter. the resistivity of the
kkurt [141]
The resistance of an ohmic material is given by 
R= \frac{ \rho l}{a}
where l is the length and a is the cross sectional area.  For a circular wire, this area is that of a circle:
R=  \frac{\rho l}{ {d^2} } \frac{4}{\pi}=\frac{5.6\times10^-8 \times0.021m\times4}{\pi d^2}   = \frac{1.497\times 10^-9}{d^2}
Then solving for diameter, d:
d^2=\frac{1.497\times 10^-9}{0.067}=2.235\times10^-8
d=0.1495mm
3 0
4 years ago
1. A 3.5 kg object experiences an acceleration of 0.5 m/s2. What net force does the object experience
Leviafan [203]

Answer:

<h2>1.75 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 3.5 × 0.5 = 1.75

We have the final answer as

<h3>1.75 N</h3>

Hope this helps you

7 0
3 years ago
1. 3 main components of a circuit
siniylev [52]
Voltage, resistance and current are the three components that must be present for a circuit to exist. A circuit will not be able to function without these three components. Voltage is the main electrical source that is present in a circuit. :)
7 0
3 years ago
Read 2 more answers
Q 1: Calculate the pressure.
Oksana_A [137]

Answer:

1: 300pa

2: 10cm2

3: 430pa

4: a: 1.6667pa

b:2.5m2

c:20pa

Explanation:

7 0
4 years ago
A ball rolled 12.0 m [E] in 10.0 s, hit an obstacle, and rolled straight back. After the collision, the ball rolled 8.00 m [W] i
Angelina_Jolie [31]

Answer:

the average velocity of the ball is 5 m/s.

Explanation:

Given;

initial position of the ball, x₁ = 12 m East

final position of the ball, x₂ = 8 m West

initial time of motion, t₁ = 10.0 s

final time of motion, t₂ = 6.0 s

The average velocity is calculated as follows;

v = \frac{\Delta x}{\Delta t} = \frac{x_1 \ - \ x_2}{t_1 \ - \ t_2}

let the Eastward direction be positive

Let the westward direction be negative

\frac{x_1 \ - \ x_2}{t_1 \ - \ t_2} = \frac{12 \ - \ (-8)}{10 -6}= \frac{20}{4} = 5 \ m/s

Therefore, the average velocity of the ball is 5 m/s.

5 0
3 years ago
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