Question
I have two thoughts on this. One, the speed of dark is the same as light. two, the speed of dark is infinite and we can’t observe it because it only replaces light as fast as the light ...
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General Physics 7 years 1 Answer 1018 views

Question
In conservation of momentum, a system of two objects starting with zero momentum, one of the objects is caused to move in one direction. The other object will move in the opposite direction. According to Newton’s first ...
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General Physics 7 years 1 Answer 1061 views

Question
PRemastered
A road race is taking place along the track shown in the figure . All of the cars are moving at constant speeds. The car at point F is traveling along a straight section of the track, whereas all the ...
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General Physics 7 years 1 Answer 1551 views

Question
A rocket generates a net force (F) of 2,050,000 newtons, and the rocket’s mass (m) is 40,000 kilograms. Use the formula F = ma to find the acceleration (a) achieved. A. 51.25 meters/second^2 B. 51.125 meters/second^2 C. 42.25 meters/second^2
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General Physics 7 years 1 Answer 3441 views

  1. A boy is sliding down from a third floor window of a building. As he slides down the rope faster and faster , he becomes frightened?

    RvTDLR
    0
    October 4, 2017 at 3:13 pm
    I just read that in an impact some energy can be turned into

  3. A boy is sliding down from a third floor window of a building. As he slides down the rope faster and faster , he becomes frightened?

    RvTDLR
    0
    October 4, 2017 at 3:13 pm
    F = ΔmV so the faster he slows to a stop, the greater the te

  4. Why do sea waves never stop?

    RvTDLR
    0
    October 4, 2017 at 3:10 pm
    Uneven HEATING of the Earth's surface, due to coloration var

  5. An iron ball is dropped, it falls 153.7 m before hitting the ground…?

    RvTDLR
    0
    October 4, 2017 at 3:08 pm
    During the time the ball is falling, its velocity increases

  6. What is ionization?

    RvTDLR
    0
    October 4, 2017 at 3:06 pm
    Ionization is the process of creating ions. Ions are atoms t

  7. Does a black hole suck things in faster the closer it gets to the center?

    RvTDLR
    0
    October 4, 2017 at 3:04 pm
    A metaphor supported by the mathematics of general relativit

  8. Conservation of momentum question?

    RvTDLR
    0
    October 4, 2017 at 3:03 pm
    The Law of Conservation of Momentum only occurs when there i

  9. String theory?

    RvTDLR
    0
    October 4, 2017 at 3:01 pm
    Basically, in well-established Quantum Mechanics theory, all

  10. If sun pulls earth..then why didnt earth falls into it?

    RvTDLR
    0
    October 4, 2017 at 2:59 pm
    You are correct when you say the orbit of the earth around t

  11. A 90 kg person is sitting in a boat at rest with a mass of 100 kg?

    RvTDLR
    0
    October 4, 2017 at 2:57 pm
    Let’s determine the momentum of the stone. M = 5 * 4 = 20 Le

Question
PRemastered
The figure below shows two blocks suspended by a cord over a pulley. The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The ...
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General Physics 7 years 1 Answer 4355 views