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forsale [732]
3 years ago
13

50 POINTS!! BRAINLEST

Physics
2 answers:
likoan [24]3 years ago
8 0

Answer: pls mark me as a brainliest friend pls, it would be a great help for me friend

Explanation:

1. B

2. The graph that shows students data is graph b. It is constant so it’s velocity is constant.

Hope it’s useful friend…

Good luck and have a great day buddy…

Stay safe and happy…

Keep rocking !!

sergey [27]3 years ago
4 0

Answer:2 one

Explanation:

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A 950-kg car strikes a huge spring at a speed of 22m/s (fig. 11-54), compressing the spring 5.0m. (a) what is the spring stiffne
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(a) The spring stiffness constant of the spring is 18,392 N/m.

(b) The time the car was in contact with the spring before it bounces off in the opposite direction is 0.23 s.

<h3>Kinetic energy of the car</h3>

The kinetic energy of the car is calculated as follows;

K.E = ¹/₂mv²

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K.E = 229,900 J

<h3>Stiffness constant of the spring</h3>

The stiffness constant of the spring is calculated as follows;

K.E =  U = ¹/₂kx²

k = 2U/x²

k = (2 x 229,900)/(5)²

k = 18,392 N/m

<h3>Force exerted on the spring</h3>

F = kx

F = 18,392 x 5

F = 91,960 N

<h3>Time of impact</h3>

F = mv/t

t = mv/F

t = (950 x 22)/(91960)

t = 0.23 s

Learn more about spring constant here: brainly.com/question/1968517

#SPJ4

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Definition of distance travelled?​
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distance traveled is a total length of the path traveled between two positions.

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