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lisabon 2012 [21]
2 years ago
5

Gymnasts often practice on foam floors, which increase the collision time when a gymnast falls. What effect does this have on co

llisions
Physics
1 answer:
krok68 [10]2 years ago
8 0

Gymnasts often practice on foam floors, which increase the collision time when a gymnast falls. What effect does this have on collisions

The effect of the gymnast on the collision will increase. An elastic collision is when two bodies collide and separates after collision conserving the total kinetic energy before and after collision.

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the force of the friction is A-0.52

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Which factors could be potential sources of error in the experiment? Check all that apply.
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Two thin 80.0-cm rods are oriented at right angles to each other. Each rod has one end at the origin of the coordinates, and one
kogti [31]

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The net force on the electron is given as:

F = 1.35 x 10⁻¹³ N j - 1.35 x 10⁻¹³ N i

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Electric force on charge due to rod 1:

F₁ = qE = 1/4πε°(qQ₁/r₁²)

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Negative negative repels each other so the rod will Force the electron in positive y-direction.

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F₂ = (9 x 10⁹ x -1.6 x 10⁻¹⁹ x 15 x 10⁻⁶)/0.4²

F₂ = - 1.35 x 10⁻¹³ N

Opposite charges attract each other so the rod will force the electron in negative x-direction.

F₂ =  - 1.35 x 10⁻¹³ N i

Net Force:

F = F₁ + F₂

F = 1.35 x 10⁻¹³ N j - 1.35 x 10⁻¹³ N i

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