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Rama09 [41]
3 years ago
6

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Physics
2 answers:
taurus [48]3 years ago
7 0

the answer to the potential energy of the baby and stroller is 1960 J

Alekssandra [29.7K]3 years ago
3 0

so, question number 10 answer is 82 watts

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Two planets have the same surface gravity, but planet B has twice the mass of planet A. If planet A has mass m, what is the mass
strojnjashka [21]
If B has twice the mass the answer is 2M
5 0
3 years ago
What will cause the volume of an ideal gas to triple in value?
trapecia [35]

Answer: The volume of an ideal gas will triple in value if the pressure is reduced to one-third of its initial value

Explanation:

We can determine this from the gas laws. Using Boyle's law, which states that "the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature"

Mathematically, P ∝ (1/V)

Since P ∝ (1/V), we can then write that

P = k(1/V)

Where P is the pressure, V is the volume and k is the proportionality constant

PV = k

We can then write that

P1V1 = P2V2 = P3V3 = ...

Hence, P1V1 = P2V2

Where P1 is the initial pressure of the gas

P2 is the final pressure of the gas

V1 is the initial volume of the gas

and V2 is the final volume of the gas

From the question, we want to determine what will make the new volume be thrice the initial volume.

Hence,

P1 = P

V1 = V

P2= ??

V2 = 3V

Therefore,

P × V = P2 × (3V)

P2 = PV/3V

P2 = P/3 = 1/3(P)

This means the volume of an ideal gas will triple in value if the pressure is reduced to one-third of its initial value

6 0
3 years ago
Read 2 more answers
The AC voltage source supplies an rms voltage of 146 V at frequency f. The circuit has R = 110 Ω, XL = 210 Ω, and XC = 110 Ω. At
Ann [662]

Answer:

1.03A

Explanation:

For computing the magnitude of the current in the circuit we need to do the following calculations

LCR circuit impedance

Z = \sqrt{R^2 + (X_L - X_c)^2} \\\\ = \sqrt{110^2 + (210 - 110)^2}

= 148.7Ω

Now the phase angle is

\phi = tan^{-1} (\frac{X_L - X_C}{R}) \\\\ = tan^{-1} (\frac{210 - 110}{110})\\\\ = 42.3^{\circ}

Now the rms current flowing in the circuit is

I_{rms} = \frac{V_{rms}}{Z} \\\\ = \frac{146}{148.7}

= 0.98 A

The current flowing in the circuit is

I = I_{rms}\sqrt{2} \\\\ = (0.98) (1.414)

= 1.39 A

And, finally, the current across the generator is

I'= I cos \phi

= (1.39) cos 42.3^{\circ}

= 1.03A

Hence, the magnitude of the circuit current is 1.03A

6 0
3 years ago
What does osteoclasts do
Maslowich
A cell that nibbles at and breaks down bone and is responsible for bone resorption.
3 0
3 years ago
Read 2 more answers
You plan to throw stones by using a sling that you whirl over your head. You will whirl the stone in a horizontal circle with a
MariettaO [177]

Answer:

330.635 meter per second square

Explanation:

Given

Height ,h = 2.50 m

Radius, r = 1.50 m

Distance travelled,  d = 15.9 m

Since, the stone is released and it falls towards the sky, its initial velocity is zero

As per equation

h = ut + \frac{1}{2} gt^2\\, we will evaluate "t"

Substituting the given values in above equation, we get

2.5 = 0 *t + 0.5 * 9.81 * t^2\\t^2 = \frac{2.5}{0.5*9.81}\\ t = \sqrt{0.5096} \\t = 0.714

Velocity

= \frac{d}{t} \\= \frac{15.9}{0.714}\\= 22.27

centripetal acceleration

= \frac{v^2}{r} \\= \frac{22.27^2}{1.5}\\ = 330.635\\

6 0
4 years ago
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