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sergij07 [2.7K]
3 years ago
9

What is an example of a sting nuclear force ?

Physics
1 answer:
slavikrds [6]3 years ago
5 0

Answer:

A.) stability of an atom

Explanation:

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What would the acceleration of a car be from a stoplight if it started at 0 m/s and reached a
trapecia [35]

Answer:

The acceleration of a car would be:  a=12.8 m/s²

Explanation:

Given

Initial velocity = v_1=0 m/s

Final velocity = v_f=100 m/s

Time elapsed = t = 7.8 s

To determine

We need to determine the acceleration of a car.

We know that acceleration is basically the rate of change in velocity over time.

Thus,

We can determine the acceleration using the formula

\:\:\:a=\:\frac{v_f-v_i}{t}

where

  • a is the acceleration
  • v_1 is the initial velocity
  • v_f is the final velocity
  • t is time elapsed

now substituting the values v_1=0,  v_f=100, and t = 7.8 in the formula

\:\:\:a=\:\frac{v_f-v_i}{t}

a=\:\frac{100-0}{7.8}

a=\frac{100}{7.8}

a=12.8 m/s²

Therefore, the acceleration of a car would be:  a=12.8 m/s²

3 0
3 years ago
What is the value of work done on an object when a 70 newton force moves it 9.0 meters in the same direction as the force in jou
BaLLatris [955]
Work done= 70 *9 = 63J
5 0
4 years ago
A plane mirror forms a virtual image. give reasons ​
xenn [34]

Answer:

1. The reason why a plane mirror forms a virtual image is because it doesn't let the light go through it, but it reflects the light, so if you go behind the plane mirror, then you won't see the rays of light since it's not letting the rays of light go behind it.

2. The image cannot be projected onto a screen also.

3. Also, the Rays of light never meet at a focus point, so hence, this is why the plane mirror forms a virtual image.

Thanks!

4 0
2 years ago
Read 2 more answers
Beginning at time t = 0, a student exerts a horizontal force on a box of mass 30 kg, causing it to move at 1.2 m/s toward an ele
Alexandra [31]
Since the initial and the final velocity are just equal, it is implied that the acceleration is zero. This means that the net force acting on the body is also zero. The horizontal force should be equal to the force of friction. The force of friction is equal to the product of the coefficient and the normal force. 
                               

 Ff = (coefficient of friction) x Fn


The normal force is equal to the object's weight if the surface is horizontal.


                               Ff = (0.20) x (30 kg) x (9.8 m/s²)  = 58.8 N
<span>

<span>Thus, the horizontal force exerted must be 58.8 N. 

--------------------------------------


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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6 0
3 years ago
Which of the following correctly describes the first animals that appeared?
Anettt [7]
A these were large creatures similar to dinosaurs
5 0
4 years ago
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