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Nastasia [14]
4 years ago
9

How is the ideal mechanical advantage of a wheel and axel calculated

Physics
2 answers:
Talja [164]4 years ago
7 0

ideal mathematical of the idea of the wheel the Daniel method

kenny6666 [7]4 years ago
5 0

Answer:

by being calculated <em>like duh</em>

Explanation:

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A 3.0 μF capacitor is charged to 40 V and a 5.0 μF capacitor charged to 18 V are connected to each other, with the positive pl
stealth61 [152]

Answer:

Option E is correct, 79 μC

Explanation:

Given that,

A capacitor of capacitance C1

C1 = 3 μF

The capacitor is charge to 40V

V1=40V

Another capacitor of capacitance

C2 = 5 μF

Charge to 18V,

V2 =18V

When the positive terminal of one is connected to the negative terminal of the other, then, this is a series connection.

The capacitor are connected in series.

Series connection have the same charge.

Equivalent capacitance for series connection is give as

Ceq = C1 + C2

Ceq = 3μF + 5μF

Ceq = 8μF

Charge in a capacitor is given as

q = CV

Then, charge on Capacitor 1.

q1 = C1V1

q1 = 3μF × 40V

q1 = 120μC

Charge on capacitor 2

q2 = C2V2

q2 = 5μF × 18V

q2 = 90μC

The total charge in the circuit is

Qeq =q1 + q2

Qeq =90 + 120

Qeq = 210 μC

Then, the combine voltage in the circuit is

Qeq = CeqV

Then, V= Qeq/Ceq

V= 210 μC / 8 μC

V=26.25Volts

Then the charge on the 3μF is

q =CV

q =3 μC × 26.25 V

q = 78.75 μC

q ≈ 79 μC

Final answer is E.

6 0
4 years ago
Read 2 more answers
Define time in related with gravity. ​
lakkis [162]

Answer:

The gravitational field is really a curving of space and time. The stronger the gravity, the more spacetime curves, and the slower time itself proceeds.Time itself is slowing down and speeding up because of the relativistic way in which mass warps space and time.

5 0
3 years ago
If a wheel rotates 5 times in 90 seconds, what is the period and frequency
Sati [7]

Answer:

i think it should be 18

Explanation:

4 0
3 years ago
A skier starts from rest down a slope 500.0 M long, the skier accelerates at a constant rate of 2.00 m/s/s, what's the velocity
nevsk [136]
We can use the kinematic equation
(v_f)^2 = (v_i)^2 + 2*a*d
where Vf is what we are looking for
Vi is 0 since we start from rest
a is acceleration
and d is the distance

we get
(Vf)^2 = (0)^2 + 2*(2)*(500)
(Vf)^2 = 2000
Vf = about 44.721
or 44.7 m/s   [if you are rounding this by significant figures]
8 0
3 years ago
What is the centripetal force
Lelechka [254]

Answer:90N

Explanation:

Mass=30kg

Centripetal acceleration=3m/s^2

centripetal force=mass x centripetal acceleration

Centripetal force=30 x 3

Centripetal force =90

Centripetal force =90N

4 0
3 years ago
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