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
UNO [17]
3 years ago
7

Why might the term red hot be misleading? (relating to stars)

Physics
1 answer:
Allushta [10]3 years ago
3 0

red hot is hot, but other colours are even hotter. stars may be hotter than red hot.

there is also something calle the red shift.

You might be interested in
A 29.0 kg beam is attached to a wall with a hi.nge while its far end is supported by a cable such that the beam is horizontal.
mamaluj [8]

The vertical component of the force exerted by the hi.nge on the beam is 114.77 N.

<h3>Tension in the cable</h3>

Apply the principle of moment and calculate the tension in the cable;

Clockwise torque = TL sinθ

Anticlockwise torque = ¹/₂WL

TL sinθ  =  ¹/₂WL

T sinθ  =  ¹/₂W

T = (W)/(2 sinθ)

T = (29 x 9.8)/(2 x sin57)

T = 169.43 N

<h3>Vertical component of the force</h3>

T + F = W

F = W - T

F = (9.8 x 29) - 169.43

F = 114.77 N

Thus, the vertical component of the force exerted by the hi.nge on the beam is 114.77 N.

Learn more about tension here: brainly.com/question/24994188

#SPJ1

6 0
2 years ago
16x^2y^2-25a^2b^2<br>factorize the expression​
SIZIF [17.4K]

Answer:

(4xy+5ab)(4xy-5ab)

Explanation:

16x^{2}y^{2}-25a^{2}b^{2}

4^2 is 16 and 5^2 is 25,

Also, (x-a)(x+a) = x^2-a^2

So, this factorized is:

(4xy+5ab)(4xy-5ab)

Hope this helps!

8 0
3 years ago
Two football players are attempting to tackle each other. If one football player has a mass of 100 kg and pushes with a force of
Vaselesa [24]

Answer:

is it 20kg. Two opposing forces pushing onto each other

8 0
3 years ago
The what’s the difference does it mean velocity and vector Quantity is the same
ziro4ka [17]

Answer:

No they are totally different...

Velocity is displacement/time. while vector is both magnitude and direction.....

Velocity is a vector quantity because it has both magnitude and direction

6 0
3 years ago
When non-metric units were used in the United Kingdom, a unit of mass called the pound-mass (lbm) was employed, where 1lbm=0.453
Drupady [299]

Answer:

a) 0.022%

b) 10014.32 lb

Explanation:

a) Percentage uncertainty would be

0.0001\times \frac{100}{0.4539}=0.022%

Percent uncertainty is 0.022%

b) For 1 kg uncertainty mass in kg would be

\frac{1}{0.022}\times {100}=4545.5\ kg

Mass in pounds would be

\frac{4545.5}{0.4539}=10014.32\ lb

Mass in pound-mass is 10014.32 lb

8 0
3 years ago
Other questions:
  • What is compression?
    10·2 answers
  • the wheel of a car has a radius of .350 m. the engine of the car applies applies a torque of 295 N m to this wheel, which does n
    12·1 answer
  • A group of students use a scale to measure the mass of an object. Which of the following would be the appropriate base unit of m
    9·1 answer
  • Which of the following solutions will have the lowest freezing point?
    6·1 answer
  • Which of the following statements is true?
    9·2 answers
  • As a rubber band and moves forward, which of the following is true
    7·1 answer
  • Please helpppp meee 20 pts<br> Identify the arrows that show the correct direction of heat transfer.
    5·2 answers
  • Wave speed?_____<br> Frequency?_____<br> Wavelength?_____
    5·1 answer
  • Facts about conolizing into mars?​
    5·1 answer
  • Un vagón de 250 kg situado en la cima de una montaña rusa inicia su descenso por una rampa inclinado 60º sobre la horizontal. Si
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!