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mote1985 [20]
3 years ago
5

Science is made up of two things, what is it

Physics
1 answer:
rodikova [14]3 years ago
4 0

Answer:

Natural science is concerned with the description, prediction, and understanding of natural phenomena based on empirical evidence from observation and experimentation. It can be divided into two main branches: life science (or biological science) and physical science.

Explanation:

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At a race car driving event, a staff member notices that the skid marks left by the race car are 9.06 m long. The very experienc
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Answer:

27.1 m/s

Explanation:

Given that at a race car driving event, a staff member notices that the skid marks left by the race car are 9.06 m long. The very experienced staff member knows that the deceleration of a car when skidding is -40.52 m/s2.

Using third equation of motion,

V^2 = U^2 + 2aS

Since the car is decelerating, the final velocity V = 0

Substitute all the parameter into the equation above,

0 = U^2 - 2 * 40.52 * 9.06

U^2 = 734.22

U = \sqrt{734.22}

U = 27.096

U = 27.1 m/s  approximately

Therefore, the staff member can estimate for the original speed of the race car to be 27.1 m/s if it came to a stop during the skid

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Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?
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When you drop soap on the ground does the ground get dirty or does the soap get clean?
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