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
Paha777 [63]
3 years ago
15

A bicyclist is travelling at 25 m/s when he begins to decelerate at -4m/s2 . How fast is travelling after 5 seconds

Physics
1 answer:
Umnica [9.8K]3 years ago
7 0

Initial velocity (Vi) = 25 m/s

acceleration (a) = -4 m/s^{2}

time interval (t) = 5 sec

let us assume that final velocity after 5 sec be Vf

As acceleration is constant, we can apply the the equation of motion with constant acceleration i.e. V_{f} = V_{i} + at

Hence, V_{f} = 25 +(-4)(5) = 25 -20 = 5 m/s

so, the velocity of bicyclist will be 5 m/s after 5 sec

You might be interested in
A group of campers travels to a cabin which has no electrical power. In order to provide for a heater and lights, which device w
larisa [96]

Answer:A generator is the appropriate device to be used.

Explanation:

A generator is a device which transforms mechanical energy to electrical energy.

The different parts of a generator includes:

- Engine, alternator, fuel system, voltage regulator, lubricating system, cooling and exhaust system, Battery charger and control panel.

The generator works on the principle of electromagnetic induction which states that

that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field. This movement creates a voltage difference between the two ends of the wire or electrical conductor, which in turn causes the electric charges to flow, thus generating electric current.

Therefore, the use of a generator is the best device for the campers to provide electrical power source for their heaters and light in the cabin.

8 0
3 years ago
You shake a bottle of soda and take off the cap. If the soda shoots out of the
kicyunya [14]

Answer:

A. 11.5 m

Explanation:

Given,

The initial velocity of the soda cap, u = 15 m/s

The soda bottle cap is projected vertically upwards,

Hence, the angle formed with the ground, Ф = 90°

The maximum height of the projectile is given by the formula,

                                    h_{max} =\frac{u^{2}sin^{2}\phi}{2g}

Substituting the given values in the above equation

                                   h_{max} =\frac{15^{2}sin^{2}90}{2X9.8}

                                                        = 11.5 m

Hence, the maximum height of the cap is h = 11.5 m

8 0
3 years ago
An amusement park ride consists of a rotating circular platform 10.9 m in diameter from which 10 kg seats are suspended at the e
Darya [45]

Hey! How are you? My name is Maria, 19 years old. Yesterday broke up with a guy, looking for casual sex.

Write me here and I will give you my phone number - *pofsex.com*

My nickname - Lovely

4 0
3 years ago
The movement of air around an anticyclone is:
N76 [4]
Pretty sure it is clockwise if I am not mistaken
5 0
3 years ago
Read 2 more answers
In which part of the ear is the sound wave converted into electrical impulse
Kryger [21]
The part of the ear where the sound wave converted into electrical impulse would be the cochlea. This part is the  auditory portion of the inner ear which produces nerve impulses in response to sound vibrations. Hope this answers the question. Have a nice day.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Temperature of a substance is proportional to the average kinetic energy of the motion of the molecules of that substance.
    5·2 answers
  • A total solar eclipse is visible from
    10·2 answers
  • Which describes the amplitude of a wave? A. the length of a wave from one crest to the next crest B. the height of a wave from i
    13·1 answer
  • Which of the following statements accurately describes the sign of the work done on the box by the force of the push?
    9·1 answer
  • The product of the synthesis reaction between sodium and chlorine gas is ?
    5·1 answer
  • Find the mass of a football player who's momentum is 630 kg•m/s backward and. is traveling at 7 m/s.
    14·1 answer
  • If you increase the frequency of a wave by 5x whats it’s period?
    15·1 answer
  • T Or F- True or False There three types of cloud's are .
    12·1 answer
  • Someone help me please I don’t even know if that’s physics or not I just need help
    14·1 answer
  • Do some research on digital vs. analog recording, and decide which you think gives the most accurate and best quality sound. Sta
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!