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Rashid [163]
2 years ago
13

How are velocity and acceleration related

Physics
1 answer:
VashaNatasha [74]2 years ago
8 0

Answer:

Acceleration is the rate of change of velocity.  If an object is changing its velocity, its speed, or changing its direction, then it is said to be accelerating.

Explanation:

when you change directions or speed up you are accelerating (or decelerating)  and when you change directions or speed its called velocity.

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The velocity of 200kg object changes from 10m/s to 22m/s in 12 sec.what is the force on the accelerated object?
Vikentia [17]
  • Initial velocity (u) = 10 m/s
  • Final velocity (v) = 22 m/s
  • Time (t) = 12 s
  • Mass (m) = 200 Kg
  • Let the acceleration be a.
  • By using the equation of motion,

v = u + at, we have

  • 22 m/s = 10 m/s + 12 s × a
  • or, 22m/s - 10 m/s = 12 s × a
  • or, 12 m/s = 12 s × a
  • or, a = 1 m/s^2
  • Let the force be F.
  • We know, F = ma
  • Therefore, the force on the accelerated object (F)
  • = ma
  • = (200 × 1) N
  • = 200 N

<u>Answer</u><u>:</u>

<u>b)</u><u> </u><u>2</u><u>0</u><u>0</u><u> </u><u>N</u>

Hope you could understand.

If you have any query, feel free to ask.

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ivolga24 [154]

Answer:

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2 years ago
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givi [52]
A. Move the candle to the right, or the focal point to the left.

For a convex lens, the closer an object is to the focal point, the larger it’s image is (and therefore the greater the magnification is). The two ways you could make the candle be closer to the focal point are to move the candle to the right, or the focal point to the left.
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3 years ago
Cause and Effect: What would happen to a space vehicle in orbit around Earth if it sped up?
gulaghasi [49]

Answer:

G M m / R^2 = m v^2 / R     gravitational force = centripetal force

G M = v^2 R   =    constant

As v increases R will must decrease

Take the moon as an example

S = 2 pi R   where R is about 240,000 miles for one orbit

S / 1 day = 54,000 miles/day  for a 28 day circuit

S / 1 hr = 54000 / 24 = 2200 mph  which is much less than a satellite in orbit

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2 years ago
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