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balandron [24]
4 years ago
5

Select the statement that best describes how the forces relate. A. All forces begin equally and become varied. B. The object on

which they are acting and the distance to that object determines the amount of forcee Weak nuclear and differentbecause magnetic forces are associated with unmoving charges, and weak nuclear foraremagnetic forces are associated with moving charges. C. All forces are related to the mass of the object on which they are acting. The larger the mass, the weaker the forces become. D. Electromagnetic and Gravitational forces are most alike because their range is not limited.

Physics
2 answers:
g100num [7]4 years ago
8 0
Electromagnetic and Gravitational forces are most alike because their range is not limited. 
forsale [732]4 years ago
5 0

Explanation:

The statement that describes how the forces relate is "Electromagnetic and Gravitational forces are most alike because their range is not limited".

Both electromagnetic and gravitational force follows inverse square rule. The electrostatic force is acting between charged particles and gravitational force acts between two masses.

Electrostatic force is F_e=k\dfrac{q_1q_2}{r^2}

Where, q₁ and q₂ = charges and r = distance

Gravitational force is F_g=k\dfrac{m_1m_2}{r^2}

Where, m₁ and m₂ = masses and r = distance

Both these forces  are long range means at infinity force never becomes zero.

Hence, the correct options is "Electromagnetic and Gravitational forces are most alike because their range is not limited".  

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David is driving a steady 26.0 m/s when he passes tina, who is sitting in her car at rest. tina begins to accelerate at a steady
nata0808 [166]

Relative speed of Tina with respect to David is given by

v_r = v_t - v_d

v_r = 0 - 26

v_r = - 26 m/s

now the acceleration of Tina with respect to David

a_r = a_t - a_d

a_r = 2.80 - 0

a_r = 2.80 m/s^2

now the relative displacement would be zero when Tina cross David

so now we have

\deta x = 0 = v_r * t + \frac{1}{2} a_r t^2

0 = -26 * t + \frac{1}{2}*2.8*t^2

t = 18.6 s

now the speed of Tina at this moment is given as

v_f = v_i + a * t

v_f = 0 + 2.8 * 18.6

v_f = 52 m/s

<em>so the speed will be 52 m/s</em>

5 0
3 years ago
What will happen if an object or liquid with a density less than 1.0 g/cm3 is placed into water; do the same for an object or li
Anna71 [15]
If the object has a lower density than water, it will float.

If the object has a higher density than water, it will sink.
3 0
3 years ago
Which causes a rainbow in the sky?
mylen [45]

The answer is B. Sunlight (white light) refracts when it passes through droplets of water in the atmosphere

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3 0
4 years ago
Please Please I only need help in Questions 4 and 5!
sdas [7]
I'm not sure but for the first one, if there were more electrons than protons that would mean the object would have a positive charge so you could put another object that is positively charged near it, to see if it would attract and if it would it would mean it's negatively charged and if it wouldn't it would mean it's positively charged. (not sure)

for the second one, after you've rubbed the balloon oh hair, the electrons from your hair have transferred onto the balloon, meaning that the balloon is now negatively charged. because the wall is neutral, it means that it has the SAME number of both protons and electrons ( positive and negative charges cancel out to create a neutral charge). because the protons are positively charged, and the balloon is negatively charged, the two objects will attract because opposite charges attract. this happens because of static electricity.

hope this helps :)
4 0
3 years ago
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