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2 years ago

20 points

Physics

2 answers:

Karolina [17]2 years ago

8 0

Answer:

i beleive its A and B will both follow the rule

This is due to property of charges.

hope this helped

Explanation:

krok68 [10]2 years ago

3 0

Answer:

(a) and (b)

Both will follow the rule

This is due to property of charges.

As in case of gravitational potential energy as it increases as height increases.

In case of electrical potential energy it will increase as charges comes close.

Explanation:

have a good day:))

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Answer:

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Explanation:

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3 years ago

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3 years ago

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Translation of important question part (Google translation used)

Force of 6N causes a displacement of 0.03m. remove the balance and connect a body 0.5 kg to the end, pull it to move it 0.02 m, release it and see how it oscillates.

(a)Determine the spring constant.

(b)Calculate angular velocity, frequency, and oscillation period

Answer:

(a)K=200 N/m

(b) w= 20 rad/s f=3.2 Hz T=0.3125 s

Explanation:

(a)

From Hooke's law, we deduce that F=kx where F is applied force, k is spring constant and x is extension of the spring. Making k the subject of the formula then k=F/x and substituting F with 6 N and x with 0.03 m then k=6/0.03=200 N/m

(b)

Angular velocity, w is given by $w= \sqrt{\frac {k}{m}}$ where m is the mass and k is spring constant calculated in part a above. Substituting mass with 0.5 kg and k with 200 N/m then