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
Vika [28.1K]
3 years ago
12

A fireman is sliding down a fire pole. As he speeds up, he tightens his grip on the pole, thus increasing the vertical frictiona

l force that the pole exerts on the fireman. When the force on his hands equals his weight, what happens to the fireman?
A. The fireman comes to a stop.
B. The fireman descends with slower and slower speed.
C. The fireman descends with a smaller but non-zero acceleration.
D. The fireman continues to descend, but with constant speed.
E. The acceleration of the fireman is now upward.
Physics
1 answer:
Gnesinka [82]3 years ago
6 0

Answer:

The fireman continues to descend but with constant speed.

Explanation:  

According to Newton first law of motion, The object which is rest continues to remain at rest or object moving with constant speed move with constant velocity when acted upon by an unbalanced force.

When the net force acting on the object becomes zero the object moves with constant speed.

Hence when the frictional force acting on the fireman hands equals to his body weight , the net force acting on the fireman becomes zero and thus fireman continues to descend with constant speed.

You might be interested in
3. Light travels from the Sun to Earth in 8.3 min. Given that the speed of light is 3.00108 m/s, what is the distance in meters
nasty-shy [4]

Answer:

13

Explanation:

13.0120481928 it is the distance

4 0
2 years ago
A distance between two consecutive troughs in a wave motion train produced in a string is 5 cm. Find speed of wave , if two comp
Alexxx [7]
Speed= (frequency) x (wavelength)

= (2 per second) x (5 cm) = <em><u>10 cm/sec .</u></em>
6 0
3 years ago
Why does a balloon stick to a wall questions and problems answers?
Akimi4 [234]
<span>The reason that the balloon will stick to the wall is because the negative charges in the balloon will make the electrons in the wall move to the other side of their atoms and this leaves the surface of the wall positively charged.</span>
7 0
3 years ago
A object weighing 5 kg, starts to accelerate evenly on a horizontal line. A force moves the object
hammer [34]
Work= force*distance
Work= x*12
Force= mass*acceleration
Force= 5 kg*6
Force= 40 N
Work= 40×12
Work= 480 J (joules)
I think this is it
5 0
3 years ago
How can we balance the use of fossil fuels with other forms of energy?
KiRa [710]
We can use renewable sources
4 0
3 years ago
Other questions:
  • If an atom had a nucleus 1 ft in diameter, what would be the diameter of the atom, in miles? (1 mi = 5,280 ft)
    7·1 answer
  • Large numbers of ribosomes are present in cells that specialize in producing which molecules?
    9·1 answer
  • Lila is using a Bunsen burner. She has all of her chemicals on her workstation. Which would be the best lab practice?
    10·2 answers
  • The earth is warmed by solar energy how is this energy transferred from the sun to the earth
    15·1 answer
  • Compute the kinetic energy of a proton (mass 1.67×10−27kg ) using both the nonrelativistic and relativistic expressions for spee
    14·1 answer
  • A 12.3 n force is applied to a 3.65 kg object. Determine the acceleration of the object​
    13·1 answer
  • Mrs. Martin’s drive to school is 25 miles from her house. It takes her half an hour to get there. The speed limit is 40 mph. Was
    6·1 answer
  • 20- A gram of distilled water at 4° C:
    10·1 answer
  • If the loop is removed from the field region in a time interval of 2.8 ms , find the average emf that will be induced in the wir
    9·1 answer
  • PART A) The acceleration of gravity is 9.8 m/s^2 What is the magnitude of the net force on a(n) 82 kg driver operating a dragste
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!