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
Alborosie
3 years ago
5

The angular speed of the hour hand of a clock, in rad/min, is:___________

Physics
1 answer:
lapo4ka [179]3 years ago
4 0

The angular speed is defined as:

<h2>                                      ω=\frac{2\pi}{T}</h2>

        where

                                     T=12*60=720min

                                     \omega=\frac{2\pi}{720}

                                     \omega=4.4**10^{-3} rad/min

You might be interested in
A man stands still on a moving walkway that is going at a speed of 0.3 m/s to the south. What is the velocity of the man accordi
RSB [31]
The velocity is 0.3 m/s South.
3 0
2 years ago
Read 2 more answers
"The International Space Station (ISS) orbits at a distance of 350 km above the surface of the Earth. (a) Determine the gravitat
vagabundo [1.1K]

Answer:

(a) g = 8.82158145m/s^2.

(b) 7699.990192m/s.

(c)5484.3301s = 1.5234 hours.(extremely fast).

Explanation:

(a) Strength of gravitational field 'g' by definition is

g = \frac{M_{(earth)} }{r^2} G , here G is Gravitational Constant, and r is distance from center of earth, all the values will remain same except r which will be radius of earth + altitude at which ISS is in orbit.

r = 6721,000 meters, putting this value in above equation gives g = 8.82158145m/s^2.

(b) We have to essentially calculate centripetal acceleration that equals new 'g'.

a_{centripetal}=\frac{V^2}{r} =g here g is known, r is known and v is unknown.

plugging in r and g in above and solving for unknown gives V = 7699.990192m/s.

(c)  S = vT,  here T is time period or time required to complete one full revolution.

S =  earth's circumfrence , V is calculated in (B) T is unknown.

solving for unknown gives T = 5484.3301s = 1.5234hours.

3 0
3 years ago
Why are the outlets in homes never wired in series? What problems might this present?
rosijanka [135]
A series circuit means that there is only one current. Which means that everything is sharing that one wire. Homes are normally wired with a parallel circuit, which means that there is more than one current running through the house. If you have a series, if you turn on one thing for example a light switch, than everything will turn on with it. But of you have  a parallel you can turn on everything one by one, and save energy.

Trust me. I just took my semester test in physical science this morning, and I passed. This is exactly what we learned. <span />
3 0
2 years ago
Read 2 more answers
Why is Earth’s North Pole a geographic north pole but a south seeking pole magnetically?
natima [27]

Answer:It is actually the South Magnetic pole

Explanation:The magnetic pole near earth's geographic north pole is actually the south magnetic pole. When it comes to magnets, opposites attract. This fact means that the north end of a magnet in a compass is attracted to the south magnetic pole, which lies close to the geographic north pole.

3 0
3 years ago
A 241 kg mass is lifted 1.8 m. What is the potential energy of the mass (in J)?
Korolek [52]

Answer:

mass is lifted 1.8 m. What is the potential energy of the mass 4. A 100 kg

6 0
2 years ago
Read 2 more answers
Other questions:
  • Find the x-component of this
    9·1 answer
  • 90 percent round to the thousandths place
    14·2 answers
  • The x and y components of vector S are -30.0 m and +40.0 m, respectively. Find the magnitude of S and the angle between the dire
    6·2 answers
  • If there is a current of 15A in a circuit for 5 minutes, what quantity of electric charge flow through the circuit?
    7·1 answer
  • Which best describes the speed of the ball as it is thrown straight up into the air and comes back down
    7·1 answer
  • A long straight rod experiences several forces, each acting at a different location on the rod. All forces are perpendicular to
    15·1 answer
  • What is the distance between a 2000 kg truck and a 3000 kg truck if the gravitational force between them is 0.00006 N?
    11·1 answer
  • What is the pupose of ecological succession?
    15·1 answer
  • All living things inherit similar traits from their
    7·1 answer
  • Zoe is setting up a track for a toy car. The track has a ramp that is 32° above horizontal. If Zoe wants the car to travel as a
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!