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yKpoI14uk [10]
3 years ago
5

How long does it take to freeze ice cubes?

Physics
1 answer:
eduard3 years ago
4 0

<span>It actually depends on what water and what is in the water that you are freezing. Normal temperature water will freeze in about 3 to 4 hours, if you want it to really be hard, but it can already start freezing in about an hour. However, boiling water said to freeze faster.</span>

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When an object oscillating in simple harmonic motion is at its maximum displacement from the equilibrium position, which of the
expeople1 [14]

Answer:

speed maximum

restoring force minimum

Explanation:

When the particle executing SHM is at its mean position or equilibrium position, then its velocity is maximum and the kinetic energy is also maximum. It is because the kinetic energy is proportional to the square of the velocity as velocity maximum then kinetic energy is also maximum.

The acceleration is minimum at the equilibrium position so the restoring force is also minimum t its equilibrium position.

5 0
3 years ago
What are the sign and magnitude in coulomb's of a point charge that produces a potential of -1.50 V at a distance of 2.00 mm
Charra [1.4K]

Answer:

The sign of the charge is negative

The magnitude of the charge is 3.33 x 10⁻¹³ C

Explanation:

Given;

potential difference, V = -1.5 V

distance of the point charge, r = 2 mm = 2 x 10⁻³ m

The magnitude of the charge is calculated as follows;

V = \frac{kq}{r} \\\\q = \frac{Vr}{k} \\\\where;\\\\k \ is \ coulomb's \ constant = 9\times 10^9 \ Nm^2/C^2\\\\q = \frac{-1.5 \times 2\times 10^{-3}}{9\times 10^9 } \\\\q = -3.33 \times 10^{-13} \ C\\\\Magnitude \ of \ the\  charge, q = 3.33 \times 10^{-13} \ C

8 0
3 years ago
How is a net electric charge produced?​
Mama L [17]

Answer:

Net charge produce due to presence of different chargers in the vicinity or in the considered region.

Explanation:

Net electric charge is just a concept introduce to identify the result of the presence of number of charges which interact with each other. It can be found by treating electric chargers in algebraic form like numbers, where +charges get added with +charges

-charges get added with -charges

and when adding two charges with opposite signs they get subtracted and the symbol of the resultant charge comes from the charge with highest magnitude.

7 0
3 years ago
What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?
Basile [38]
3 liters per minute
6 0
3 years ago
What two simple machines are found in a bike?
omeli [17]
I think it's a pulley and a lever.
3 0
3 years ago
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