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Serggg [28]
3 years ago
12

A 65 kilogram astronaut weighs 638 newtons at the surface of earth what is the mass of the astronaut at the surface of the moon,

where the acceleration due to gravity is 1.62 meters per second squared
Physics
2 answers:
TiliK225 [7]3 years ago
4 0
Mass doesn't depend on anything else that's around you, but weight does.

The astronaut's mass is still 65 kilograms, on the moon or wherever else
she may go.

But on the moon, her weight is only 105 newtons.
Montano1993 [528]3 years ago
3 0
The mass of the astronaut is still 65 kilograms. Mass is constant or doesn't change no matter where you are.
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A ten loop coil of area 0.23 m2 is in a 0.047 T uniform magnetic field oriented so that the maximum flux goes through the coil.
Nana76 [90]

Answer:

0.32 V

Explanation:

N = 10, A = 0.23 m^2, B = 0.47 T, t = 0.34 s

The average induced emf is given by

e = - N dФ / dt

Where, dФ be the change in magnetic flux in time dt.

dФ / dt = d / dt (B A) = A dB/dt

So,

e = - 10 x 0.23 x 0.047 / 0.34 = - 0.32 V

The negative sign shows the direction of induced emf.

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3 years ago
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Gennadij [26K]

Answer:

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8 0
2 years ago
State coulomb's law mathematically
Vsevolod [243]

Coulomb's law is express as:

\begin{gathered} F=k\frac{q_1q_2}{r^2} \\ \text{ where} \\ k\text{ is Coulomb's constant} \\ q_1\text{ and }q_2\text{ are the charges} \\ r\text{ is the distance between charges} \end{gathered}

7 0
1 year ago
An ac generator consists of a coil with 40 turns of wire, each with an area of 0.06 m2 . The coil rotates in a uniform magnetic
mezya [45]

Answer:

d. 332 V

Explanation:

Given;

number of turns in the wire, N = 40 turns

area of the coil, A = 0.06 m²

magnitude of the magnetic field, B = 0.4 T

frequency of the wave, f = 55 Hz

The maximum emf induced in the coil is given by;

E = NBAω

Where;

ω is angular velocity = 2πf

E = NBA(2πf)

E = 40 x 0.4 x 0.06 x (2 x π x 55)

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Therefore, the maximum induced emf in the coil is 332 V.

The correct option is "D"

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7 0
3 years ago
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