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tia_tia [17]
3 years ago
14

Which of the following will increase the force of gravity between two charged objects without affecting the electric force?

Physics
1 answer:
jasenka [17]3 years ago
3 0

Answer:

I believe the answer is D

Explanation:

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A 100 N force is applied to a 50 kg crate resting on a level floor. The coefficient of kinetic friction is 0.15. What is the acc
Nookie1986 [14]

The acceleration of the crate after it begins to move is 0.5 m/s²

We'll begin by calculating the the frictional force

Mass (m) = 50 Kg

Coefficient of kinetic friction (μ) = 0.15

Acceleration due to gravity (g) = 10 m/s²

Normal reaction (N) = mg = 50 × 10 = 500 N

<h3>Frictional force (Fբ) =?</h3>

Fբ = μN

Fբ = 0.15 × 500

<h3>Fբ = 75 N</h3>

  • Next, we shall determine the net force acting on the crate

Frictional force (Fբ) = 75 N

Force (F) = 100 N

<h3>Net force (Fₙ) =?</h3>

Fₙ = F – Fբ

Fₙ = 100 – 75

<h3>Fₙ = 25 N</h3>

  • Finally, we shall determine the acceleration of the crate

Mass (m) = 50 Kg

Net force (Fₙ) = 25 N

<h3>Acceleration (a) =?</h3>

a = Fₙ / m

a = 25 / 50

<h3>a = 0.5 m/s²</h3>

Therefore, the acceleration of the crate is 0.5 m/s²

Learn more on friction: brainly.com/question/364384

8 0
2 years ago
Which uses direct current?
Kipish [7]

Answer:

Direct current is used in any electronic device with a battery for a power source. It is also used to charge batteries, so rechargeable devices like laptops and cell phones

Explanation:

8 0
3 years ago
Read 2 more answers
Which of the following is not a source of light? *<br> a) sun<br> b) star<br> c) mirror<br> d)cfl
Vladimir [108]

I think that would be c) mirror because mirrors reflects light and can't create it.

5 0
3 years ago
A pair of oppositely charged parallel plates is separated by 5.38 mm. A potential difference of 623 V exists between the plates.
Salsk061 [2.6K]

Answer:

115799.256V/m

Explanation:

Given V = 623v, d = 5.38mm = 0.00538m

Strength of electric field E = V/d

E = 623/0.00538

= 115799.256V/m

6 0
3 years ago
If two waves interact in destructive interference, which of the following will be true regarding the new wave formed?
AlekseyPX

Answer:

b

Explanation:

6 0
3 years ago
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