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ICE Princess25 [194]
3 years ago
6

What information is required when calculating speed or acceleration?

Physics
1 answer:
Tomtit [17]3 years ago
7 0

distance spreed time

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Two balloons are charged with an identical quantity and type of charge: -0.0025 C. They are held apart at a separation distance
jok3333 [9.3K]

Answer:

F = 878.9 N

Explanation:

The electrostatic force of attraction or repulsion is given by Coulomb's Law as follows:

F = kq₁q₂/r²

where,

F = Force pf repulsion between balloons = ?

k = Coulomb's Constant = 9 x 10⁹ N.m²/C²

q₁ = q₂ = magnitudes of 1st and 2nd charge = 0.0025 C

r = distance between balloons = 8 m

Therefore,

F = (9 x 10⁹ N.m²/C²)(0.0025 C)(0.0025 C)/(8 m)²

<u>F = 878.9 N</u>

3 0
3 years ago
A body of mass m, = 0.050 kg and initial velocity v₁ = 9 m / s turned to the right collides with a body of mass m₂ = 0.030 g wit
Ugo [173]

Answer:

Suppose two objects of different masses are moving with different velocities in the same direction on a straght-line before collision. After collision, they stick together and move with common (the same) velocity

6 0
2 years ago
If the mass is displaced 0.270 m from equilibrium and released, what is its speed when it is 0.130 m from equilibrium?
puteri [66]

Answer:

The speed is 1.52 m.

Explanation:

Given that,

Displacement =0.270 m

Distance = 0.130 m

Suppose a 0.321-kg mass is attached to a spring with a force constant of 13.3 N/m.

We need to calculate the angular velocity

Using formula of angular velocity

\omega=\sqrt{\dfrac{k}{m}}

Put the value into the formula

\omega=\sqrt{\dfrac{13.3}{0.321}}

\omega=6.43\ rad/s

We need to calculate the velocity

Using formula of velocity

v=\omega\sqrt{A^2-x^2}

Put the value into the formula

v=6.43\times\sqrt{0.270^2-0.130^2}

v=1.52\ m/s

Hence, The speed is 1.52 m.

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3 years ago
Why can't I get a new phone
Alenkasestr [34]

Answer:

Idk I think we all ask the question also this question is for sure prob getting deleted just saying now not by me

Explanation:

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3 years ago
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Tip on time management
Rufina [12.5K]
<span>Know your goals.
Prioritize wisely.
Important and urgent — Tasks that must be done. ...
Just say no.
Plan ahead. ...
Eliminate distractions.
Delegate more often.
Watch what you spend.
<span>Take care of yourself.</span></span>
5 0
3 years ago
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