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Ivenika [448]
4 years ago
12

The graph shows a ball rolling from A to G. At which point does the ball have the greatest kinetic energy?

Physics
2 answers:
Oduvanchick [21]4 years ago
7 0

Answer:

The will have its greatest kinetic energy just after the ball has started moving since kinetic energy is the energy that possess moving objects.

AysviL [449]4 years ago
3 0

please give garph picture

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Using snell's law. Determine what angle a light wave bends at when it
Alex777 [14]

Answer:

Angle of refraction is 23° .

Explanation:

\frac{ \sin(0w) }{ \sin(0a) }  =  \frac{n \: a}{n \: w}

\frac{ \sin(30) }{ \sin \: 0a }  =  \frac{1.3}{1.0}

\sin \: 0w \:  =  \:  \frac{ \sin(30) }{1.3}

= 0.3846153846

\sin^{ - 1} (0.3846153846

0w \:  =  \: 23 ^{o}

7 0
3 years ago
Two inductors, L1 and L2, are in parallel. L1 has a value of 25 mH and L2 a value of 50 mH. The parallel combination is in serie
Bond [772]

Answer:

Explanation:

For parallel inductors ,

\frac{1}{L_R} = \frac{1}{L_1} +\frac{1}{L_2}

\frac{1}{L_R} =\frac{1}{25} +\frac{1}{50}

L_R=16.67 mH.

For series combination

Total inductance

= 16.67 + 20

= 36.67 mH .

reactance of total inductance at 300 kHz

= ωL_{total} where ω is angular frequency

= 2πfL_{total}

= 2 x 3.14 x 300 x 10³ x 36.67 x 10⁻³

= 69.1 x 10³ ohm

Total rms current = Vrms / reactance

= 60 / 69.1 x 10³ A

= .87 x 10⁻³ A

= .87 mA

7 0
3 years ago
Which of the following is not an element of installment credit?
olasank [31]

Answer:

I believe it's A. An installment credit has an interest rate, repayment terms and fees, and fixed payment.

3 0
3 years ago
The transfer of energy through varios stages in an ecological community is called
salantis [7]
It is called food chain
6 0
4 years ago
Read 2 more answers
21. An AC generator has an rms output voltage of 274 V at a frequency of 57.0 Hz.
maks197457 [2]

The answers are as follows;

a) the inductive reactance is 322 ohm

b) The maximum voltage is 387.5 V

c) The rms and maximum currents in the inductor are 1.2 A and 0.85 A.

<h3>What is the reactance?</h3>

The reactance is obtained from;

XL = 2πfL

XL = 2 * 3.14 * 57.0 * 0.900

XL = 322 ohm

The maximum voltage is obtained as;

Vo = Vrms * √2

Vo =  274 V * √2

Vo = 387.5 V

Io = Vo/XL

Io =  387.5 V/ 322 ohm

Io = 1.2 A

Irms = 274 V/322 ohm

Irms = 0.85 A

Learn more about inductive reactance:brainly.com/question/17129912

#SPJ1

4 0
2 years ago
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