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krok68 [10]
3 years ago
15

When Emeka was first training his dog, Smooches, to heel he would give Smooches a treat when she stayed close during walks. Now

Smooches stays right by Emeka's side, even when she is not on her leash. In this case, a. the dog treats were positive reinforcers for staying close. b. the dog treats were negative reinforcers for staying close. c. the staying close was a positive reinforcer for receiving dog treats. d. the staying close was a negative reinforcer for receiving dog treats.
Physics
1 answer:
shepuryov [24]3 years ago
8 0
<span>Answer a. is correct. In this case the dog treats were positive reinforcers for staying close (the desirable behaviour). Repeated rewards for a certain behaviour work as positive reinforcers.</span>
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α=Δv/Δt

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2 years ago
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USPshnik [31]

Answer:

t = 2.01 s

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Explanation:

It's know through the International System that the earth's gravity is 9.8 m/s², then we have;

Data:

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  • Gravity (g) = 9.8 m/s²
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==================================================================

Time

Use formula:

  • \boxed{t=\sqrt{\frac{2*h}{g}}}

Replace:

  • \boxed{t=\sqrt{\frac{2*20m}{9.8\frac{m}{s^{2}}}}}

Everything inside the root is solved first. So, we solve the multiplication of the numerator:

  • \boxed{t=\sqrt{\frac{40m}{9.8\frac{m}{s^{2}}}}}

It divides:

  • \boxed{t=\sqrt{4.08s}}

The square root is performed:

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==================================================================

Final Velocity

use formula:

  • Vf = g * t

Replace:

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Multiply:

  • Vf = 19.7 m/s

==================================================================

How long does it take to reach the ground?

Takes time to reach the ground in <u>2.01 seconds.</u>

How fast does it hit the ground?

Hits the ground with a speed of <u>19.7 meters per seconds.</u>

7 0
3 years ago
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By the formula,

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4 0
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