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
Leokris [45]
3 years ago
9

A car travelling at 15 m/s comes to rest in a distance of 14 m when the brakes are applied.

Physics
1 answer:
stira [4]3 years ago
3 0

Answer:

-8.04 m/s2

Explanation:

To find the answer to this, you have to use the 4th kinematic equation:

v^{2} = v^{2}_{0}  + 2ax

You plug into the equation to get:

0 = 15^{2} + 2a(14)

solve for a to get

-8.04 m/s2

You might be interested in
The diffraction limit is a limit on: The diffraction limit is a limit on: A telescope's size. A telescope's angular resolution.
Mnenie [13.5K]

Answer:

A telescope's angular resolution.

Explanation:

Diffraction limit is a minimum angular separation of two sources and it can be distinguished by the telescope. This angle is known as the diffraction limit. It is proportional to the wavelength of light and it has an inverse relation with the diameter of the telescope. Mathematically  it is defined as

θ = 1.22λ/d

where θ is the angle, λ wavelength and d is the diameter of the objective mirror (lenz).

7 0
3 years ago
How much of the universe is believed to consist of ordinary atoms that can be detected?
Margaret [11]
The universe believed to be has no limit in space and the elements, molecules and different kind of gases are found in this area. So the percentage of that is believed that and ordinary atom can be detected is C. 3% i hope you understand my answer.
4 0
3 years ago
Tina's calculations of the tarantula found that the spider was able to cover 20 centimeters in five seconds what was the average
Sergeu [11.5K]
<span>(20 cm)/(5 sec) = (0.20 meters)/(5 seconds) 
</span>
8 0
3 years ago
Acceleration always involves a change in
Scrat [10]
Velocity. Since velocity consists of a speed and a direction, acceleration is a change in speed, or direction, or both.
5 0
3 years ago
What is specific gravity​
Mrac [35]

Answer:

It is the ratio of the density of a substance to the density of a given reference material.

Explanation:

<em>Specific gravity is also known as relative density.</em>

<u>To find the relative density of substance, you:</u>

  • Divide the density of substance measured
  • And divide that by the density of the reference

7 0
2 years ago
Other questions:
  • Hey guys I really really need help with this question for ASAP! Explain what chart junk is and how it differs from the kind of i
    13·2 answers
  • A man pulls a sled at a constant velocity across a horizontal snow surface. if a force of 80 n is being applied to the sled rope
    6·2 answers
  • Sics and Chemistry A (2nd Six Weeks) - SC3200SFA/01
    14·1 answer
  • Suppose you lived in the crater Copernicus on the side of the Moon facing Earth.
    7·1 answer
  • Car A (mass 1100 kg) is stopped at a traffic light when it is rear­ended by car B(mass 1400 kg). Both cars then slide with locke
    8·1 answer
  • The characteristics of minerals: S I CC N. what does S I CC N. stand for
    12·1 answer
  • Because of convection, the warmest air in a room
    11·1 answer
  • The rock beneath the continents is made of _____.
    13·2 answers
  • 1. The difference between a sensor and a transducer is that in a transducer: A. no calibration is required for it to be used B.
    8·1 answer
  • HELP ME ASAP PLZ!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!