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erik [133]
4 years ago
9

Using poiseulli assumption derive an expression for the rate of flow of a liquid through a horizontal tube in terms of a, l, p a

nd n
Physics
1 answer:
Marizza181 [45]4 years ago
7 0

Answer:

im sorry im just trying this app please dont report

Explanation:

please im begging you maam/sir

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Humberto builds two circuits using identical components.Circuit 1: A series circuit with three lightbulbs Circuit 2: A parallel
PolarNik [594]
<span>Humberto builds two circuits using identical components,
and then adds components to each circuit.

Circuit 1:
A series circuit with three lightbulbs. 
Then add three more lightbulbs in series.

Circuit 2:
A parallel circuit with three lightbulbs
Then add two more lightbulbs on new branches
in parallel with each original bulb.

After adding the new lightbulbs in Circuit 1:
-- the voltage across each of the original bulbs is less,
-- the current through the whole series circuit is less,
-- the original three bulbs shine dimmer than before, and
-- the total power delivered from the battery is less.
-- The battery lasts longer.

After adding the new lightbulbs in Circuit 2:  
</span>-- the voltage across each of the original bulbs is doesn't change, 
-- the current through each original bulb doesn't change,
-- the original three bulbs shine just as bright as before, 
-- the total currrent drawn by the circuit, and the total current
delivered by the battery, increases, and
-- the total power delivered from the battery increases.
-- The battery runs down sooner.
5 0
3 years ago
Read 2 more answers
The mass of an object with 500 J of kinetic energy moving with a velocity of 5 m/s is
Ann [662]

40kg

Explanation:

Given parameters:

Kinetic energy  = 500J

Velocity = 5m/s

Unknown:

Mass of the object = ?

Solution:

Kinetic energy is the energy due to motion of a body. It is expressed as:

          K.E = \frac{1}{2} mv²

  m is the mass of the body

  v is the velocity

 To find the mass, make it the subject of the expression:

         m = \frac{2 K.E}{v[tex]^{2}}[/tex]

          m =   \frac{2 x 500}{5[tex]^{2}}[/tex] = 40kg

Learn more:

Kinetic energy brainly.com/question/6536722

#learnwithBrainly

4 0
4 years ago
A car is traveling West on Old Milton Parkway at 100 km/hr when the driver spots a police cruiser in the bushes. The driver hits
Alisiya [41]

The answer is option C) The car experienced negative acceleration with velocity in the positive direction.

5 0
3 years ago
It takes a wave traveling on a string 1.2 s to complete a full cycle. You measure the distance it takes to repeat itself to be 1
MArishka [77]

Answer:

1.5 m/s.

Explanation:

The Speed of a wave is the product of the wavelength and its  frequency or it is the ratio of it wavelength and its Period. It can be expressed mathematically as

V = λf or λ/T .............................. Equation 1

Where V = speed of the wave travelling on the string, λ = wavelength of the wave, T = period of the wave, F = frequency of the wave.

Given: λ = 1.8 m ( distance it takes to repeat itself), T = 1.2 s (Time taken to complete a full cycle)

Substitute into equation 1

V = 1.8/1.2

V = 1.5 m/s.

Hence the wave is 1.5 m/s fast.

4 0
3 years ago
What is the acceleration of a 7 kg mass pushed by a 3.5 N force?
defon

Answer:

0.5m/s²

Explanation:

F =m x a

3.5 = 7 x a

a = 3.5 /7

a = 0.5m/s ²

4 0
3 years ago
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