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Novay_Z [31]
3 years ago
12

HELP ASAP DUE IN 5MIN

Physics
1 answer:
Sauron [17]3 years ago
4 0
1. When the skydiver goes up in the air it storing energy ( potential energy). But when the skydiver jumps out of the plane the diver is using motion or movement to do it so is using energy ( kinetic energy)
2. It’s variables
3. Only one variables can only be tested at a time.

I hope this helps let me know if you have any questions
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Answer:

(A) Reading will be 65 N

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Explanation:

We have given the balance force = 65 N

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We know that W=mg

So 65=m\times 9.8

m = 6.632 kg

(a) In first case as the as the speed is constant so the force on the elevator will be 65 N

(B) In second case as the elevator is decelerating at a rate of 2.4m/sec^2

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So net force on elevator will be = m× net acceleration = 6.632×7.4 = 49.076 N

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3 years ago
Student swings a small rubber stopper attached to a string over her head in a horizontal, circular path. The string is 1.50 mete
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Answer:

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v=2\pi rf\\\\=2\pi \times 1.5\times 2\\\\=18.84\ m/s

So, the average speed of the rubber stopper is 18.84 m/s.  

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