3 years ago

All the things in an experiment that must be the same to determine if the results are truly due to the experiment are called

Physics

1 answer:

podryga [215]3 years ago

7 0

Independent variables

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An ice skater is moving in a circle at a constant speed. Which of the following best explains the forces acting on the ice skate

dangina [55]

B because the skater is constantly moving in the same speed to go in a circle .

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4 years ago

2. Fracture mechanics. A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plan

ikadub [295]

Answer:

the critical flaw is subject to detection since this value of ac (16.8 mm) is greater than the 3.0 mm resolution limit.

Explanation:

This problem asks that we determine whether or not a critical flaw in a wide plate is subject to detection given the limit of the flaw detection apparatus (3.0 mm), the value of KIc (98.9 MPa m), the design stress (sy/2 in which s y = 860 MPa), and Y = 1.0.

$ac=1/\pi (\frac{Klc}{Ys} )^{2}\\ ac=1/\pi(\frac{98.9}{(1)(860/2)} )^{2}\\ ac=0.0168m\\ac=16.8mm$

Therefore, the critical flaw is subject to detection since this value of ac (16.8 mm) is greater than the 3.0 mm resolution limit.

5 0

4 years ago

Will upvote!!!!

juin [17]

D. potential energy, because there is a bunch of water pent up, essentially stationary, waiting to roll down the steep mountain from the peak, so to say. if the dam were to be removed it would become kinetic.

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3 years ago

Read 2 more answers

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erik [133]

Moment of force. Hope this helped

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3 years ago

an object is thrown with an initial horizontal velocity of 10 meters per second and take approximately 9 seconds to reach the gr

pantera1 [17]

The horizontal velocity was constant, so:

$s = vt$