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Jet001 [13]
2 years ago
5

A small solid sphere and a small thin hoop are rolling along a horizontal surface with the same translational speed when they en

counter a 20° rising slope. If these two objects roll up the slope without slipping,which will rise farther up the slope?
a. The sphere.
b. More information about the objects' mass and diameter is needed.
c. The hoop.
d. Both the same.
Physics
2 answers:
Anestetic [448]2 years ago
7 0

Answer:C.

Explanation: the hoop is the right answer

igor_vitrenko [27]2 years ago
6 0
B more information about the objects mass and diameter is needed
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-0.8 m/s²

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6 0
3 years ago
For your final exam in electronics, you’re asked to build an LC circuit that oscillates at 10 kHz. In addition, the maximum curr
Marina CMI [18]

Answer:

 L= 2 mH

C=1.26\times 10^{-7}\ F            

Explanation:

Given that

Frequency , f= 10 kHz

Maximum current ,I = 0.1 A

Maximum energy stored ,E= 1 x 10⁻⁵ J

The maximum energy stored in the inductor is given as follows

E=\dfrac{1}{2}LI^2

Where ,L= Inductance

I=Current

E=Energy

Now by putting the values in the above equation

10^{-5}=\dfrac{1}{2}\times L\times 0.1^2

L=\dfrac{2\times 10^{-5}}{0.1^2}\ H

L=0.002 H

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We know that frequency f is given as

2\pi f=\dfrac{1}{\sqrt{LC}}

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Now by putting the values

2\pi \times 10\times 10^3=\dfrac{1}{\sqrt{0.002\times C} }

62831.85=\dfrac{1}{\sqrt{0.002\times C}}

\sqrt{0.002\times C=\dfrac{1}{62831.85}

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C=\dfrac{0.0000159^2}{0.002}\ F

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Therefore the inductance and capacitance will be 2 mH and 1.26 x 10⁻⁷ F respectively.

6 0
3 years ago
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