1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Whitepunk [10]
3 years ago
9

The product PV, where P and V represent pressure and volume respectively, is a unit for which?

Physics
1 answer:
Basile [38]3 years ago
6 0
<span>PV is actually energy. P = F/A force per area, and V = A L, so PV = F L and force times distance is work which is energy. If you have P in N/m^2 and V in m^3, you have Joules, N-m.</span>
You might be interested in
Define fission and give an example of a reaction
erastova [34]
<span>Definition: The action of dividing or splitting something into two or more parts.

Reaction Example: </span><span>Autotomy, sometimes termed transverse </span>fission<span>, is the name given to a process of unequal </span>fission<span> in which a portion of the body separates off with subsequent regeneration.</span><span>

</span>
6 0
3 years ago
Read 2 more answers
If it takes 726 watts of power to move an object 36 m in 14 s, what is the mass of the object?
Pavel [41]

Answer:

i hope the pic helps u dear

4 0
2 years ago
Read 2 more answers
Which of the following is not an application of Doppler technology?
allsm [11]
The correct answer to the question above is The third Option: C; ultrasound imaging of the liver. The ultrasound imaging of the liver is definitely not an application of Doppler technology.

Hope this helps! :)
8 0
3 years ago
Read 2 more answers
A car accelerates from rest at 1.0 m/s2 for 20.0 second along a straight road. It then moves at a constant speed for half an hou
Whitepunk [10]

Total distance = 36500 m

The average velocity = 19.73 m/s

<h3>Further explanation</h3>

Given

vo=initial velocity=0(from rest)

a=acceleration= 1 m/s²

t₁ = 20 s

t₂ = 0.5 hr = 1800 s

t₃= 30 s

Required

Total distance

Solution

State 1 : acceleration

\tt d=vo.t+\dfrac{1}{2}at^2\\\\d=\dfrac{1}{2}\times 1\times 20^2\rightarrow vo=0\\\\d=200~m

\tt vt=vo+at\\\\vt=at\rightarrow vo=0\\\\vt=1\times 20\\\\vt=20~m/s

State 2 : constant speed

\tt d=v\times t\\\\d=20\times 1800\\\\d=36000~m

State 3 : deceleration

\tt vt=vo+at\rightarrow vt=0(stop)\\\\vo=-at\\\\20=-a.30~s\\\\a=-\dfrac{2}{3}m/s^2(negative=deceleration)

\tt d=vot+\dfrac{1}{2}at^2\\\\d=20.30-\dfrac{1}{2}.\dfrac{2}{3}.30^2\\\\d=300~m

Total distance : state 1+ state 2+state 3

\tt 200 + 36000 + 300=36500~m

the average velocity = total distance : total time

\tt avg~velocity=\dfrac{36500}{20~s+1800~s+30~s}=19.73~m/s

4 0
2 years ago
Please answer any of these thanks !
KIM [24]
1).  The equation is: (speed) = (frequency) x (wavelength)

Speed = (256 Hz) x (1.3 m) = 332.8 meters per second

 2).  If the instrument is played louder, the amplitude of the waves increases.
On the oscilloscope, they would appear larger from top to bottom, but the
horizontal size of each wave doesn't change.

If the instrument is played at a higher pitch, then the waves become shorter,
because 'pitch' is directly related to the frequency of the waves, and higher
pitch means higher frequency and more waves in any period of time.

If the instrument plays louder and at higher pitch, the waves on the scope
become taller and there are more of them across the screen.

3).  The equation is:  Frequency = (speed) / (wavelength)
(Notice that this is exactly the same as the equation up above in question #1,
only with each side of that one divided by 'wavelength'.)

Frequency = 300,000,000 meters per second / 1,500 meters = 200,000 per second.

That's ' 200 k Hz ' .

Note:
I didn't think anybody broadcasts at 200 kHz, so I looked up BBC Radio 4
on-line, and I was surprised.  They broadcast on several different frequencies,
and one of them is 198 kHz !
7 0
3 years ago
Other questions:
  • Which term describes electrons being ejected from a metal surface that light is shining on?
    12·2 answers
  • If two firecrackers produce a sound level of 81 dBdB when fired simultaneously at a certain place, what will be the sound level
    7·1 answer
  • A car is traveling at 20 meters/second and is brought to rest by applying brakes over a period of 4 seconds. What is its average
    13·2 answers
  • Where is the most energy transferred in a food web
    9·1 answer
  • Find initial velocity and time in air​
    5·1 answer
  • Two parallel plates have equal and opposite charges. When the space between the plates is evacuated, the electric field is E= 3.
    5·1 answer
  • When a 15.00 kg mass is attached to a vertical spring, the spring is stretched 2.0 m such that the mass is 6.0 m above the table
    7·1 answer
  • A lightning bolt has a current of 56,000 A and lasts for 80 x 10-6 seconds (80 μs). How much charge (in Coulombs) has flowed in
    8·1 answer
  • An object is placed at a distance 30cm from a thin lenses of power 4 diaptor. Discuss the nature of image
    11·1 answer
  • I need help with number 2 pls it’s a quiz grade
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!