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Liula [17]
3 years ago
5

A rightward force of 460 N is applied to a 286-kg crate to accelerate it across the floor

Physics
1 answer:
Bess [88]3 years ago
4 0

Answer:

Acceleration = 1.61 m/s²

Explanation:

Given the following data:

Force = 460N

Mass = 286kg

To find the acceleration;

Force = mass * acceleration

Substituting into the equation, we have;

460 = 286 * acceleration

Acceleration = 460/286

Acceleration = 1.61 m/s²

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ra1l [238]

Answer:

The third particle should be at 0.0743 m from the origin on the negative x-axis.

Explanation:

Let's assume that the third charge is on the negative x-axis. So we have:

E_{1}+E_{3}-E_{2}=0

We know that the electric field is:

E=k\frac{q}{r^{2}}

Where:

  • k is the Coulomb constant
  • q is the charge
  • r is the distance from the charge to the point

So, we have:

k\frac{q_{1}}{r_{1}^{2}}+k\frac{q_{3}}{r_{3}^{2}}-k\frac{q_{2}}{r_{2}^{2}}=0

Let's solve it for r(3).

\frac{3.01}{0.0429^{2}}+\frac{9.03}{r_{3}^{2}}-\frac{6.02}{0.0429^{2}}=0

r_{3}=0.0743\:  

Therefore, the third particle should be at 0.0743 m from the origin on the negative x-axis.

I hope it helps you!

 

3 0
3 years ago
What are the two ways to create plasma?
dimaraw [331]

Answer:

Plasma can be artificially generated by heating a neutral gas or subjecting it to a strong electromagnetic field to the point where an ionized gaseous substance becomes increasingly electrically conductive.

5 0
3 years ago
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g An arrow is shot straight up in the air at an initial speed of 15.5 m/s. After how much time is the arrow moving downward at a
Sati [7]

Answer:

2.11 seconds

Explanation:

We use the kinematic equation for the velocity in a constantly accelerated motion under the acceleration of gravity (g):

v_f=v_i-g*t\\-5.2 = 15.5 - 9.8\,t\\9.8 \,t= 15.5 + 5.2\\t = 20.7/9.8\\t = 2.11 \,\,sec

5 0
3 years ago
Why is science always changing
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Answer:

Science is changing because little by little scientists descover new things.

Explanation:

Discovery

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8 0
4 years ago
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Suppose you throw a small rock over a lake so that it sails over the surface of the water. The rock has a mass of 0.090 kg and i
LenaWriter [7]
M = 0.09 kg
v o = 8 m / s
v = v o - a t
v = 0 m/s ( velocity is zero when the rock stops )
0 = 8 - a * 1
a = 8 m/s²
F = m * a
F = 0.09 kg * 8 m/s² = 0.72 N
Answer: C ) 0.72 N 
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3 years ago
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