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erma4kov [3.2K]
3 years ago
13

What is defined as a push or pull? motion force speed vector

Physics
2 answers:
vova2212 [387]3 years ago
8 0

☁️ Answer ☁️

annyeonghaseyo!

Your answer is:

Force.

Explanation: Force is defined as a push or pull acting on an object. Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion.

Here's another one: Force is everywhere and it comes in a variety of sizes, directions, and type. We can define Force as the push or pull of an object.

Hope it helps

Have a nice day noona/hyung!~  ̄▽ ̄❤️

Elan Coil [88]3 years ago
3 0
It should be force because a push is the force that moves an object away from something, a push and pull are opposite forces, meaning they move objects in different directions. r.
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What type of galaxy is this?
stiks02 [169]

Answer:

Barred Spiral.

8 0
2 years ago
Consider two stars that are identical (same size, temperature and luminosity). Star A is 10 pc away from us and Star B is 20 pc
Mkey [24]

Answer:

Star A would be brighter than Star B

Explanation:

The apparent brightness of a star as perceived on Earth is dependent on its temperature, size, luminosity and distance from the Earth. Apparent brightness is the visible brightness to the eye at the surface of the Earth, while luminosity is the true brightness at the surface of the star.

A hotter star will radiate more energy per second per meter square of surface area. A larger star will have a greater surface area for radiation of energy, thus increasing the luminosity. For two identical stars, the difference in apparent brightness will be dependent on their distances from Earth.

Brightness and distance from earth have an inverse square relationship.

brightness∝\frac{1}{distance^{2} }

Assuming the star is a point source of radiation, as distance from the source is increased, the radiation is distributed over a surface proportional to the distance form the source. As distance is further increased, the radiation is distributed over a larger surface area reducing the effective luminosity.

If one star (Star B) is twice as far from the earth as the first (Star A), the brightness of Star B will be \frac{1}{2^{2} } of Star A.

Thus, Star B will appear to be a quarter of the brightness of Star A. Or, Star A will appear to be 4 times as bright as Star B.

3 0
4 years ago
a girl performed 50j of work lifting a heavy box it took her 5 seconds to lift the box what is her power
son4ous [18]

Answer:

10 W

Explanation:

Power is work over time.

P = W / t

P = 50 J / 5 s

P = 10 W

3 0
3 years ago
A car is initially moving at 10.5 m/s and accelerates uniformly to reach a speed of 21.7 m/s in 4.34 s. How far did the car move
Zarrin [17]

Answer:

A. 69.9m

Explanation:

Given parameters:

Initial velocity = 10.5m/s

Final velocity  = 21.7m/s

Time  = 4.34s

Unknown:

Distance traveled = ?

Solution:

Let us first find the acceleration of the car;

  Acceleration  = \frac{v - u}{t}

  v is final velocity

   u is initial velocity

   t is the time

     Acceleration  = \frac{21.7 - 10.5}{4.34}   = 2.58m/s²

Distance traveled;

     V² = U² + 2aS

    21.7² = 10.5² + 2 x 2.58 x S

   360.64 = 2 x 2.58 x S

     S = 69.9m

3 0
4 years ago
Greg is in a bike race. At mile marker four (out of ten), his speed was measured at 13.5 mph.
Andreyy89

It is the instantaneous speed of the bike rider.

Explanation:

At the mile marker, the measured speed gives the instantaneous speed of the bike rider.

The instantaneous speed is speed measured at a precise or instance of time.

 Speed is the rate of change of distance with time. It is a scalar quantity that only shows magnitude with no reference to direction.

  Velocity is the displacement divided by time. It has both magnitude and directions.

Average speed is measured over a period of time as the distance increases from the starting point.

From this, we can see that 13.5mph is the instantaneous speed of the bike rider.

learn more:

Instantaneous velocity brainly.com/question/2234298

#learnwithBrainly

8 0
3 years ago
Read 2 more answers
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