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rjkz [21]
3 years ago
15

Which molecule has charges that are free to move around?

Physics
1 answer:
borishaifa [10]3 years ago
6 0
A polar molecules have charges that are free to move around
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What is the force if the mass is 75kg and the acceleration is 24.5m/s^2
Snowcat [4.5K]

<u>Given;</u>

mass m = 75 kg

acceleration a = 24.5 ms²

<em>F = ma </em>

F  =  75 kg * 24.5 ms²

    =  1837.5 kg ms².

4 0
3 years ago
A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1 480 kg. It has strayed too
maks197457 [2]

Answer:

2352645198509.9604 m/s²

Explanation:

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

M = Mass of black hole = 90\times 1.989\times 10^{30}\ kg

R_{f} = 10000+100 m

R_{sb} = Distance between the nose and the center of the black hole = 10000 m

The difference in the gravitational field in this system is given by

\Delta F=\dfrac{GMm}{R_{f}^2}-\dfrac{GMm}{R_{sb}^2}\\\Rightarrow \Delta g=GM\left(\frac{1}{R_f^2}-\frac{1}{R_{sb}^2}\right)\\\Rightarrow g=6.67\times 10^{-11}\times 90\times 1.989\times 10^{30}\left(\frac{1}{(10000+100)^2}-\frac{1}{10000^2}\right)\\\Rightarrow \Delta g=-2352645198509.9604\ m/s^2

The acceleration is 2352645198509.9604 m/s²

4 0
3 years ago
Which is an example of a wave?
Travka [436]

Answer:

The answer is A

Explanation:

Someone shouting to you from across a room

4 0
2 years ago
Read 2 more answers
Why is it important to warm up your muscles before a workout?
slava [35]

Answer: So that you don't have a cramp

Explanation: Muscles can cramp up if not stretched becuase it keeps the muscles flexable and strong and to maintain the range of motion a person has.

7 0
3 years ago
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Charge q is 1 unit of distance away from the source charge S. Charge p is four times further away. The force exerted between S a
zhenek [66]

The correct answer is:

sixteen times


In fact, the distance between charge q and the source S is 1 unit. Instead, the distance between charge p and the source S is 4 units. The magnitude of the electrostatic force is inversely proportional to the square of the distance between the charge and the source:

E \sim \frac{1}{r^2}

where r is the distance. If we take the force between q and S as reference, we have r=1, so that

E_{qS}=\frac{1}{1^2}=1

while the force between p and S is

E_{pS}=\frac{1}{4^2}=\frac{1}{16}

Therefore, we see that the force exerted between q and S is 16 times the force exerted between p and S.

4 0
3 years ago
Read 2 more answers
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