Question
Keira starts at position x = 23 m along a coordinate axis. She then undergoes a displacement of -45 m. What is her final position?
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General Physics 3 years 0 Answers 1933 views

Question
A machine part is made up of two pieces, with centers of gravity shown in the figure.(Figure 1) Which point could be the center of gravity of the entire part?
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General Physics 4 years 0 Answers 2743 views

Question
PRemastered
A giant “egg” explodes as part of a fireworks display. The egg is at rest before the explosion, and after the explosion, it breaks into two pieces, with the masses indicated in the diagram, traveling in opposite directions.
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General Physics 4 years 1 Answer 851 views

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    RvTDLR
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    October 4, 2017 at 3:29 pm
    G, the gravitational constant, is constant everywhere. g = G

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    RvTDLR
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    October 4, 2017 at 3:27 pm
    Let us simplify the problem. For half the time the current i

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    RvTDLR
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    October 4, 2017 at 3:25 pm
    Acceleration = (f/m).

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    RvTDLR
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    October 4, 2017 at 3:24 pm
    There is a greater gravitational attraction at the North Pol

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    RvTDLR
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    October 4, 2017 at 3:21 pm
    Mostly inelastic. In real life none is 100% of one or the ot

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    RvTDLR
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    October 4, 2017 at 3:17 pm
    Hi A. In a collision you have, the only thing that remains c

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    RvTDLR
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    October 4, 2017 at 3:15 pm
    Momentum and kinetic energy are entirely different things. M

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

  10. 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
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    October 4, 2017 at 3:13 pm
    F = ΔmV so the faster he slows to a stop, the greater the te

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    October 4, 2017 at 3:10 pm
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Question
Keira starts at position x = 23 m along a coordinate axis. She then undergoes a displacement of -45 m. What is her final position?
0
General Physics 3 years 0 Answers 1933 views

Question
A machine part is made up of two pieces, with centers of gravity shown in the figure.(Figure 1) Which point could be the center of gravity of the entire part?
0
General Physics 4 years 0 Answers 2743 views

Question
PRemastered
A sign is to be hung from the end of a thin pole, and the pole supported by a single cable. Your design firm brainstorms the six scenarios shown below. In scenarios A, B, and D, the cable is attached ...
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General Physics 4 years 1 Answer 9036 views

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Learning Goal: To understand and apply the formula τ =Iɑ to rigid objects rotating about a fixed axis. To find the acceleration ɑ of a particle of mass m, we use Newton’s second law: , where 
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General Physics 4 years 1 Answer 7198 views

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Six automobiles are initially traveling at the indicated velocities. The automobiles have different masses and velocities. The drivers step on the brakes and all automobiles are brought to rest. A) Rank these automobiles based on their momentum before the brakes are ...
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General Physics 4 years 1 Answer 6870 views

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The figure shows a simple model of a seesaw. These consist of a plank/rod of mass mr and length 2x allowed to pivot freely about its center (or central axis), as shown in the diagram. A small sphere of mass m1 is attached to ...
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General Physics 4 years 1 Answer 6000 views

Question
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A 6.0-cm-diameter horizontal pipe gradually narrows to 4.5 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 33.5 kPa and 22.6 kPa, respectively.What is the volume rate of flow?
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General Physics 4 years 1 Answer 5422 views