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Hoochie [10]
4 years ago
11

Which of these components is not necessary for current to flow in a series or parallel circuit?

Physics
1 answer:
Phantasy [73]4 years ago
8 0
Current requires only an EMF source ... like a battery, or a current already flowing ... and a conducting path ... like wire, ionized air, or something dissolved in water. A switch isn't needed unless you want a quick, easy way to STOP the current. A resistor isn't needed unless you want to be able to dissipate some energy from the current, or limit its magnitude.
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Which two fields of study do the principles of biomechanics come from? A. science and technology B. physics and engineering C. b
kati45 [8]

Answer:

B. physics and engineering

Explanation:

Biomechanics is the study of mechanical laws and living organisms. Hence, it comprises of the interrelationships between physics and engineering.

8 0
3 years ago
Which is one piece of information that astronomers use to calculate the age of the universe?
Valentin [98]

Answer:

  • the age of the oldest stars
  • patterns of background radiation
  • how fast distant galaxies are moving away from us

Explanation:

According to the NASA, astronomers can estimate how old the universe is by comparing the age of the oldest stars and the rate of expansion of the universe. The rate of expansion of the universe is based on the Big Bang theory and it states that our universe is continuously expanding since it first developed. Astronomers measure Cosmic Microwave Background radiation resulting from the Big Bang.

8 0
4 years ago
why was it intresting that democritus came up with atomism given that he was a materialist philosopher
enyata [817]

Answer:

Democritus was the first person to say that everything is made of Atoms, a very long time ago

Hope I was helpful

Explanation:

7 0
3 years ago
A 140 g air-track glider is attached to a spring. The glider is pushed in 8.2 cm against the spring, then released. A student wi
max2010maxim [7]

Answer:

Explanation:

The period of oscillation is given as

T=2π√m/k

Making k subject of the formula

Square both sides of the equation

T²=4π²(m/k)

Cross multiply

T²k=4π²m

Then, divide through by T²

k=4π²m/T²

Where

k is spring constant

m is the mass of the bob

And T is the period of the oscillation

m=140g=0.14kg

14 oscillations takes 14 seconds

Then the period is

T=time/oscillation

T=14/14

T=1sec

Then,

k=4π²m/T²

k=4π²×0.14/1²

k=1.76N/m

Then, the spring constant is 1.76N/m

4 0
4 years ago
Taylor mixes two liquids together in a beaker. A solid forms at the bottom of the beaker, and the liquid changes from pink to bl
Dimas [21]
It is a chemical change and a physical change
3 0
3 years ago
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