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2 years ago

When is the particle in figure (a) speeding up? (enter your answer using interval notation.)

Physics

1 answer:

worty [1.4K]2 years ago

4 0

Answer:

When your mom walks in the room, lol. I don't see a "figure A"

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Which of the following statements is true of inertia?

Alex

All of them are right except for the third one

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2 years ago

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A water molecule perpendicular to an electric field has 1.40×10−21 J more potential energy than a water molecule aligned with th

vesna_86 [32]

Answer:

The strength of the electric field is 2.258 x 10⁸ N/C

Explanation:

Potential energy = -p*ECosθ

where;

d is the dipole moment

E is the electric field

θ is the angle of inclination

→When the water molecules is perpendicular to the field, θ =90° and potential energy = p*ECosθ = d*ECos0 = 0

Total potential energy = 0 + 1.40×10⁻²¹J, since it is 1.40×10⁻²¹J more

→When the water molecules is aligned to the field, θ =0°

potential energy = -p*ECosθ

dipole moment, p = 6.2×10⁻³⁰Cm

= -(6.2×10⁻³⁰)*(E) Cos0

0 + 1.40×10⁻²¹ J = -(6.2×10⁻³⁰)*(E),

E = (1.40×10⁻²¹ J)/(6.2×10⁻³⁰)

E = 2.258 x 10⁸ N/C

Therefore, the strength of the electric field is 2.258 x 10⁸ N/C

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3 years ago

Which of the following statements about the technique of hypnotic regression is not true?

jarptica [38.1K]

Answer:

It's B.

Explanation:

Found answer off Quizlet.

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2 years ago

Pretty Easy question please answer only 20 minutes left:

Anna35 [415]

Answer:

D. Conclusion.

Explanation:

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3 years ago

A meter stick swinging from one end oscillates with a frequency f0. What would be the frequency, in terms of f0 , if the bottom

snow_lady [41]

To solve this problem we will proceed to define the Period of a stick, then we will define the frequency, which is the inverse of the period. We will compare the change suffered by the new length and replace that value. The Time period of meter stick is

$T = 2\pi\sqrt{ \frac{L}{g}}$