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
sweet [91]
3 years ago
13

A wheel is observed to rotate 5 complete revolutions in 25 seconds. What is its angular speed

Physics
1 answer:
skelet666 [1.2K]3 years ago
8 0

<u>Answer</u>

1.26 rad/s

the first step is to find the frequency of the wheel.

The wheel rotates at rate of 5 revolutions in 25 seconds. The frequency is the number of revolutions per second.

frequency (f) = 5/25

                      = 1/5

                      = 0.2 Hz

Angular velocity = 2πf

                           = 2×π×0.2

                            = 0.4π rad/s      or

                             = 1.26 rad/s

You might be interested in
how many times does the kinectic energy of a car increase when traveling 60 mph as opposed to traveling 30 mph
Bumek [7]
The car at 60 kph has 9 times more kinetic energy than the car traveling at 20 kph. This assumes that both cars have the same mass. Kinetic energy depends on the square of thee speed so if one car is going 3 times faster, its kinetic energy will be 3^2 ( = 9 ) greater. The car going at 60 kph will have 4 times the KE of the car going at 30 kph ( again assuming that the cars have the same mass.)
3 0
3 years ago
What is the measure of a specific material’s ability to insulate charges from each other?
Elodia [21]
B.dielectric constant
3 0
3 years ago
Read 2 more answers
Can you be fluid overload and dehydrated at the same time
STALIN [3.7K]
.................yes...................
5 0
3 years ago
Which material rises from cracks in oceanic crust?
disa [49]

Answer:

trenchs and magma

Explanation:

7 0
3 years ago
Read 2 more answers
Light of a certain color has a wavelength of 4.8 x 10-7m. Determine the frequency and color of the light wave.
cluponka [151]

The frequency is 6.3\cdot 10^{14} and it is blue light

Explanation:

The relationship between the speed, the frequency and the wavelength of an electromagnetic wave is given by:

c=f \lambda

where

c=3.0\cdot 10^8 m/s is the speed of light

f is the frequency of the wave

\lambda is its wavelength

In this problem, the wavelength of the wave is

\lambda = 4.8\cdot 10^{-7} m

Therefore, its frequency is:

f=\frac{c}{\lambda}=\frac{3.0\cdot 10^8}{4.8\cdot 10^{-7}}=6.3\cdot 10^{14} Hz

The wavelength of this wave is

\lambda = 480 nm

And by looking at the table of the wavelengths of the colors, we notice that this corresponds to the blue light, which has a range of wavelength of

[450 - 495] nm

Learn more about waves and electromagnetic waves here:

brainly.com/question/5354733

brainly.com/question/9077368

brainly.com/question/9184100

brainly.com/question/12450147

#LearnwithBrainly

3 0
3 years ago
Other questions:
  • 4. State in words how acceleration is calculated.
    10·1 answer
  • A vector is 9.55 m long and points in a -48.0 degree direction. find the x-component of the vector.
    6·1 answer
  • A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.5 s
    7·1 answer
  • What happens to the diffraction pattern when the number of lines per centimeter of a diffraction grating is increased?
    11·1 answer
  • louis Pasteur developed the germ theory of disease, which state that many diseases are caused by microorganismas. Had scientists
    9·1 answer
  • A professor sits on a rotating stool that is spinning at 10.0 rpm while she holds a heavy weight in each of her hands. Her outst
    5·1 answer
  • A swimmer is capable of swimming at 1.4m/s in still water. a. How far downstream will he land if he swims directly across a 180m
    6·2 answers
  • I stand 0.72 meters in front of a mirror and look at the person on the other side who looks like me. That person is actually you
    12·1 answer
  • How do mathematical models help us learn about conditions inside the sun?
    5·1 answer
  • Explain the relationship between energy and the potential to do work
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!