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
andrey2020 [161]
3 years ago
8

A joger travels 8.0 kilometers in 1.25 hours what is the average speed?

Physics
2 answers:
gogolik [260]3 years ago
8 0
8/1.25 = 6.4 kmph
The answer is 6.4 kilometers per hour
Svetach [21]3 years ago
3 0
ΔS  = 8.0 km

ΔT = 1.25 h

Vm  =  ΔS / ΔT

Vm = 8.0 / 1.25

Vm = 6.4 Km/h

hope this helps!
You might be interested in
How many different parts parts of the solar system can you see?
photoshop1234 [79]

Out of the solar system parts, we can see the sun, a few planets, some meteorites and comets.

Rest all is not visible through naked eyes

6 0
3 years ago
Does a satellite have its greatest speed when it is closest to or farthest from earth?
Jet001 [13]
When it is closest to the earth.


3 0
3 years ago
Read 2 more answers
Photosynthesis and respiration are best described as
Olin [163]
The answer is 3. Photosynthesis removes carbon dioxide while respiration puts back carbon dioxide
7 0
3 years ago
Read 2 more answers
In a Rutherford scattering experiment a target nucleus has a diameter of 1.34×10-14 m. The incoming α particle has a mass of 6.6
Rasek [7]

Answer:

E = 2.5 x 10⁻¹⁴ J

Explanation:

given,

diameter = 1.33 x 10⁻¹⁴ m

mass = 6.64 x 10⁻²⁷ kg

wavelength is equal to diameter

de broglie wavelength equal to diameter

         \lambda = \dfrac{h}{mv}

         1.33 \times 10^{-14}= \dfrac{6.626 \times 10^{-34}}{6.64 \times 10^{-27}\times v}

         v= \dfrac{6.626 \times 10^{-34}}{6.64 \times 10^{-27}\times 1.33 \times 10^{-14}}

              v = 7.5 x 10⁶ m/s

Kinetic energy is equal to

     E = \dfrac{1}{2}mv^2

     E = \dfrac{1}{2}\times 6.64 \times 10^{-27}\times (7.5\times 10^6)^2

            E = 2.5 x 10⁻¹⁴ J

8 0
3 years ago
I need help with 2 questions . Please help c:
dezoksy [38]
A) According to the nebular theory, the Solar System formed from a huge gaseous nebula which at a certain point was perturbated. Atoms and molecules started colliding, forming planetesimals (a sort of big rocks). The planetesimals were attracted to each other by gravity, forming bigger warm almost spherical objects called protoplanets, which at the end cooled down forming planets.
Therefore the correct answer is "all of the above".

b) The planets closer to the Sun were (and still are) subject to higher temperatures, due to their close distance to the Sun. In these conditions, rocky materials undergo condensation, while iced gaseous materials undergo vaporization. In the outer parts of the Solar System temperatures are too low to allow these transformations.
The correct answer is again "all of the above".
8 0
3 years ago
Other questions:
  • If you are asked to determine an object’s speed, what information must you have?
    10·1 answer
  • The thermal conductivity of a cement is 0.168 British thermal units per foot hour degree Fahrenheit ​[BTU divided by (ft h Super
    15·1 answer
  • The bending of a wave as it moves from one medium to another is called
    6·1 answer
  • The energy content of food is conventionally measured in Calories rather than joules. One Calorie in nutrition is equal to 4184
    11·1 answer
  • You want to create an electric field vector E = < 0, 5 104, 0> N/C at location < 0, 0, 0>. Where would you place a p
    14·1 answer
  • A gnat takes off from one end of a pencil and flies around erratically for 41.641.6 s before landing on the other end of the sam
    12·1 answer
  • Refraction or the bending of waves takes place when a light wave changes A) color. B) frequency. C) intensity. D) speed.
    7·2 answers
  • A homeowner is thinking about replacing his filament bulbs with LED bulbs.
    10·2 answers
  • What to do when having a cold
    13·2 answers
  • At what rate is thermal energy being generated in the 2R-resistor when  = 12 V and R = 3.0 ?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!