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Lina20 [59]
3 years ago
5

True or False: Once the object hits the water, the forces are balanced and the object will stop. Support your answer with reason

ing
Physics
1 answer:
PtichkaEL [24]3 years ago
8 0

no because it depends on the wind that day , if the object floats, etc but in other words...... FALSE

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Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smalle
Vinil7 [7]

Answer:

1/9 of that just outside the smaller sphere

Explanation:

The electric field strength produced by a charged sphere outside the sphere itself is equal to that produced by a single point charge:

E=k\frac{Q}{r^2}

where

k is the Coulomb's constant

Q is the charge on the sphere

r is the distance from the centre of the sphere

Calling R the radius of the first sphere, the electric field just outide the surface of the first sphere is

E_0=k\frac{Q}{R^2}

The second sphere has a radius which is 3 times that of the smaller sphere:

R'=3R

So, the electric field just outside the second sphere is

E'=k\frac{Q}{R'^2}=k\frac{Q}{(3R)^2}=\frac{1}{9}(k\frac{Q}{R^2})=\frac{E_0}{9}

So, the correct answer is 1/9.

7 0
2 years ago
At which life cycle stage are stars most stable
asambeis [7]
~Hello there!

Your question: At which life cycle stage are stars most stable?

Your answer: The young star stage is the life cycle where the stars are most stable because the stars are just flaming, no interference nor there is no disturbance.

Any queries ^?

Happy Studying! 
4 0
3 years ago
Read 2 more answers
How i can change my bad habits and one is i always trust peopñe
Lelu [443]

what? I guess:

  • practice different habits. If you fail don't give up.
  • don't always trust people, some are not what they seem.

this question doesn't make any sense...

5 0
3 years ago
Read 2 more answers
Which statement is true? The speed of sound in air is inversely proportional to the temperature of the air. The speed of sound i
sasho [114]
<span> the speed of sound in air is directly proportional to the temperature of the air. The speed of sound depends on the temperature of the surrounding air, this can be represented by a speed of sound in air formula: v = 331m/s + 0.6m/s/C * T (where T is temperature)</span>
6 0
2 years ago
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An electron that has an instantaneous velocity of ???? = 2.0 × 106 m ???? ???? + 3.0 × 106 m ???? ???? is moving through the uni
Setler79 [48]

Explanation:

It is given that,

Velocity of the electron, v=(2\times 10^6i+3\times 10^6j)\ m/s

Magnetic field, B=(0.030i-0.15j)\ T

Charge of electron, q_e=-1.6\times 10^{-19}\ C

(a) Let F_e is the force on the electron due to the magnetic field. The magnetic force acting on it is given by :

F_e=q_e(v\times B)

F_e=1.6\times 10^{-19}\times [(2\times 10^6i+3\times 10^6j)\times (0.030i-0.15j)]

F_e=-1.6\times 10^{-19}\times (-390000)(k)

F_e=6.24\times 10^{-14}k\ N

(b) The charge of electron, q_p=1.6\times 10^{-19}\ C

The force acting on the proton is same as force on electron but in opposite direction i.e (-k). Hence, this is the required solution.

8 0
3 years ago
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