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agasfer [191]
3 years ago
8

attention random asian ladies have been randomly liking peoples posts on tiktok, its not a joke Warning: dont click on their lin

ks they will hack your ip adress and kidnap you.

Physics
2 answers:
777dan777 [17]3 years ago
6 0
Thank you for spreading awareness!


lbvjy [14]3 years ago
6 0

Answer:

ok thanks

Explanation:

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3. What is the acceleration of a car at rest that stays at rest over 10 seconds?
Yuliya22 [10]

Answer:

a.

Explanation:

Use accleration formula,

a =  \frac{v _{f} - v _{i}}{t}

The initial velocity and final velocity is at zero. and t=10

So we got

\frac{0}{10}  = 0

so

a = 0

a is the answer

8 0
2 years ago
When a light ray passes from LESS dense water (n = 1.33) into a MORE dense diamond (n = 2.419) at an angle of 45 degrees, its pa
Ivenika [448]

Towards

<u>Explanation:</u>

When light is incident at a transparent surface, the transmitted component of the light changes direction at the interface. Another component of the light is reflected at the surface. When a ray of light passes from water to diamond at an angle 45°, its path is bent towards the normal. This is so because water is less dense than the diamond. The refractive index of water (n = 1.33) is less than the refractive index of diamond (n = 2.419).

3 0
3 years ago
Hey anyone here I'm ban 2 mint ago my I'd is aron7 I talk to Rachel anybody present therw​
pishuonlain [190]

sign out and log in again...if does not work then make a new account

8 0
3 years ago
Read 2 more answers
A spring on a horizontal surface can be stretched and held 0.2 m from its equilibrium position with a force of 16 N. a. How much
nekit [7.7K]

Answer:

a   W_{3.5} = 490 \  J

b  W_{2.5} =  250 \  J

Explanation:

Generally the force constant is mathematically represented as

       k  = \frac{F}{x}

substituting values given in the question

=>   k  = \frac{16}{0.2}

=>   k  =  80 \ N /m

Generally the workdone  in stretching the spring 3.5 m is mathematically represented as

       W_{3.5} =  \frac{1}{2}  *  k  *  (3.5)^2

=>     W_{3.5} =  \frac{1}{2}  *  80  *  (3.5)^2

=>    W_{3.5} = 490 \  J

Generally the workdone  in compressing the spring 2.5 m is mathematically represented as

        W_{2.5} =  \frac{1}{2}  *  k  *  (2.5)^2

=>      W_{2.5} =  \frac{1}{2}  *  80 *  (2.5)^2

=>       W_{2.5} =  250 \  J

5 0
2 years ago
Speed and Motion you went from the starting line to the finish line at different rates. If you repeated the activity while carry
Phantasy [73]

Answer:

It will cause kinetic energy to increase.

Explanation:

Given that Speed and Motion you went from the starting line to the finish line at different rates.

If you repeated the activity while carrying weights but keeping your times the same, the weight carried will add up to the mass of the body.

And since Kinetic energy K.E = 1/2mv^2

Increase in the mass of the body will definitely make the kinetic energy of the body to increase.

Since the time is the same, that means the speed V is the same.

Weight W = mg

m = W/g

The new kinetic energy will be:

K.E = 1/2(M + m)v^2

This means that there will be increase in kinetic energy.

3 0
3 years ago
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