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3 years ago

What is the most accurate description of the plasma state of matter

1 answer:

4 0

Plasma is like a gas that has no fixed volume, but gases are electrically neutral but Plasma is an ionized gas in which the electrons are ripped apart from the atom. It also conducts electricity

The gas in tube light is a plasma gas

Hope it helps!

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What is the current in the wire now?

san4es73 [151]

Answer:

220v

Explanation:

Sorry, the question is incomplete

8 0

3 years ago

Read 2 more answers

A particle is moving along a circular path of 2-m radius such that its position as a function of time is given by u = (5t 2) rad

OverLord2011 [107]

Answer:

Explanation:

Given

radius of path $r=2\ m$

Velocity of Particle $\theta =5t^2 rad$

where t=time in seconds

angular velocity of particle is given by

$\omega =\frac{\mathrm{d} \theta }{\mathrm{d} t}$

$\omega =2\times 5t=10\cdot t$

And angular acceleration is given by

$\alpha =\frac{\mathrm{d} \omega }{\mathrm{d} t}$

$\alpha =10 rad/s^2$

tangential acceleration is $a_t=\alpha \times r$

$a_t=10\times 2=20\ m/s^2$

Centripetal acceleration $a_c=\omega ^2\times r$

$a_c=(10t)^2\times 2=200t^2$

net acceleration is sum of tangential and centripetal force at any time t is given by

$a_{net}=\sqrt{(a_c)^2+(a_t)^2}$

$a_{net}=\sqrt{(200t)^2+(20)^2}$

$a_{net}=20\sqrt{(10t)^2+1}\ m/s$

8 0

3 years ago

What is the formula for finding your maximum heart rate

olasank [31]

According to the American Heart Association, the broad,
approximate guideline for your MAXIMUM heart rate is:

   -- take 220
   -- subtract your age
   The unit is "beats per minute".

But there are many things that have an effect on this number.
A few of them are:
-- your age
-- your weight
-- any medicines you're taking
-- HOW you measure your heart rate.

If you're planning any REGULAR activity that will play with
your heart rate, you really ought to discuss it with your doctor
before you jump in.

8 0

3 years ago

A heat engine has a maximum possible efficiency of 0.780. If it operates between a deep lake with a constant temperature of-24.8

Volgvan

Answer : The temperature of the hot reservoir (in Kelvins) is 1128.18 K

Explanation :

Efficiency of carnot heat engine : It is the ratio of work done by the system to the system to the amount of heat transferred to the system at the higher temperature.

Formula used for efficiency of the heat engine.

$\eta =1-\frac{T_c}{T_h}$