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
hodyreva [135]
2 years ago
6

I need help with this, Help me

Physics
1 answer:
DaniilM [7]2 years ago
3 0

Answer:

283.78

Explanation:

You might be interested in
Weight gain occurs when a person consumes too muchimany
MAVERICK [17]
The answer is calories !!
5 0
3 years ago
Read 2 more answers
Parasaurolophus was a dinosaur whose distinguishing feature was a hollow crest on the head. The 1.3 m long hollow tube in the cr
yarga [219]

Answer:

67.31 Hz, 201.92 Hz, 336.54 Hz

Explanation:

Resonance also known as standing wave occur when a uniform tube is closed at one end and open at the other end.  

For a resonance wave in a tube with length b, wavelength λ of resonance wave is 4b because a quarter wave is formed in the tube, that is,  

           λ = 4b.  

When the speed of sound is c, the frequency of sound, f, is  

           f = c /λ,  

and therefore,  

           f = c / ( 4b ).  

From the question,

When c = 350 m/s and b = 1.3 m,  

using the formula            

fn = c / ( 4b ) × n (n = 1, 3, 5, ...).  

The first three resonant frequencies are;

First resonance frequency is

f = 350 / (4*1.3) * 1 = 67.31 Hz

Second resonance frequency is

f = 350 / (4*1.3) * 3 = 201.92 Hz

Third resonance frequency is

f = 350 / (4*1.3) * 5 = 336.54 Hz

5 0
3 years ago
A piston-cylinder device initially contains 0.6 kg of water with a volume of 0.1 m3 . The mass of the piston is such that it mai
Sloan [31]

Answer: Hello the missing piece of your question is attached

question : Determine mass of steam that has entered ( in kg )

answer : 0.206 kg

Explanation:

V1 = 0.1 m^3 ,

v' = V1 / m1 = 0.1 / 0.6 = 0.167 m^3/kg

V2 = 0.2 m^3

using the steam tables

at ; P = 1000 kPa, v' = 0.167 m^3/kg

U1 = 2321  KJ/kg

at ; P = 1000 kPa , T2 = 280°C

v'2= 0.2481 m^3kg

U2 = 2760.6

at ; P = 5MPa ,  T = 500°C

h1 = 3434.7 KJ/Kg

calculate final mass ( m2 )

M2 = V2 / v'2

      = 0.2 / 0.2481 =  0.806 kg

therefore the mass added =  m2 - m1

                                            = 0.806 - 0.6 =  0.206 kg

3 0
2 years ago
What is the change in temperature of a substance that goes from -45 degrees C to 15 degrees C? *
Nutka1998 [239]

Answer:.

Explanation:

7 0
2 years ago
Read 2 more answers
A block is sliding down an inclined plane that makes an angle of 65o with the horizontal. If the coefficient of kinetic friction
Nezavi [6.7K]

Answer:

8.2 m/s²

Explanation:

m = mass of the block

μ = Coefficient of kinetic friction = 0.17

F_{n} = Normal force on the block by the ramp

f_{k} = kinetic frictional force

Force equation perpendicular to ramp surface is given as

F_{n} = mg Cos65

Kinetic frictional force is given as

f_{k} = \mu F_{n}

f_{k} = \mu mg Cos65

Force equation parallel to ramp surface is given as

mg Sin65 - f_{k} = ma

mg Sin65 - \mu mg Cos65 = ma

g Sin65 - \mu g Cos65 = a

(9.8) Sin65 - (0.17) (9.8) Cos65 = a

a = 8.2 m/s²

4 0
3 years ago
Other questions:
  • A wire along the z axis carries a current of 4.9 A in the z direction Find the magnitude and direction of the force exerted on a
    6·1 answer
  • a man checked himself into seattle hospital. he didnt know who he was and had no idea how he got to seattle. the hospital staff
    12·2 answers
  • A rope is vibrated so that transverse waves propagate down it. if the distance between crests is 0.5 m and a new crest reaches t
    5·1 answer
  • What would be the orbital speed and period of a satellite in orbit 0.82 ✕ 108 m above the earth?
    7·1 answer
  • 1. How is a whistling teapot like a volcano?
    7·2 answers
  • A cylindrical container with a cross-sectional area of 66.2 cm2 holds a fluid of density 856 kg/m3 . At the bottom of the contai
    6·1 answer
  • Naomi is taking a train from DC to New York which is 360km apart. If the train is traveling at an average speed of 32 meters per
    14·1 answer
  • Can u show me were these go on the picture:
    9·1 answer
  • Imagine that a loudspeaker is producing a quiet tone with a low pitch. How will its vibrations change:
    5·1 answer
  • Which of these tools is used to measure temperature?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!