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 4 years 1 Answer 2080 views

Question
Particle A of mass 500g is moving with a constant velocity of 12m s^-1 towards particle B of mass 1.5kg which is initially at rest. After collision, particle A comes to a rest and particle B moves ...
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General Physics 4 years 1 Answer 1607 views

Question
Shouldn’t they stop with time? I mean go ahead and shake a bottle of water, it will shake and it will eventually stop, unless you shake it again. What makes the sea water move so much? Why doesn’t ...
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General Physics 4 years 1 Answer 1465 views

Question
When physicists say there is a so-and-so chance that a particle is in a particular place, do they mean… 1) that the particle has an exact location, but the best they can do with their crude measurements is ...
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General Physics 4 years 1 Answer 618 views

Question
PRemastered
Two blocks of ice, one four times as heavy as the other, are at rest on a frozen lake. A person pushes each block the same distance d. Ignore friction and assume that an equal force 
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General Physics 4 years 1 Answer 809 views

Question
Even if you’re in so-called zero gravity you’re really in micro gravity. Only if you’re like trillions of miles from the nearest large body are you actually in zero gravity.
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General Physics 4 years 1 Answer 550 views

  1. 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

  3. What is ionization?

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

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

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

  6. String theory?

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

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

    RvTDLR
    0
    October 4, 2017 at 2:59 pm
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    RvTDLR
    0
    October 4, 2017 at 2:57 pm
    Let’s determine the momentum of the stone. M = 5 * 4 = 20 Le

  9. When an object moving in a circle at a constant speed?

    RvTDLR
    0
    October 4, 2017 at 2:55 pm
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    RvTDLR
    0
    October 4, 2017 at 2:53 pm
    In a gas, where there can be a terminal velocity, the drag i

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    RvTDLR
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    October 4, 2017 at 2:51 pm
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Question
Was wondering if anyone could me or give me some pointers/help So I am about to carry out the pendulum experiment, changing the length of the string. So I need to plot the graph of T^2 against L including ...
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General Physics 4 years 0 Answers 1155 views

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 4 years 1 Answer 3589 views

Question
PRemastered
Learning Goal: To understand and use inverse-square relationships. Two quantities have an inverse-square relationship if y is inversely proportional to the square of x. We write the mathematical relationship as y = A/x2. Here, A is a constant. This relationship is sometimes written as 
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General Physics 4 years 1 Answer 3187 views

Question
PRemastered
Learning Goal: To make the connection between intuitive understanding of a seesaw and the standard formalism for torque. This problem deals with the concept of torque, the “twist” that an off-center force applies to a body that tends to make it rotate.
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General Physics 4 years 1 Answer 2912 views

Question
PRemastered
Four children are playing in a field. The children form a line, holding hands. The player at the front of the line starts to spin around faster and faster, causing the others to run in circle, as shown in the ...
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General Physics 4 years 1 Answer 2899 views