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AleksAgata [21]
2 years ago
5

Hybrid plants usually have increased Vigar true or false

Physics
1 answer:
tester [92]2 years ago
3 0

Answer: True

Explanation:

Because plants have an increase in vigar to grow

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What is the relationship between and experiment and a hypothesis
MariettaO [177]

Answer:

an experiment is a way to test a hypothesis. A hypothesis is a prediction. You predict that if you change one thing (the independent variable) the other thing (the dependent variable) will change.

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You are an industrial engineer with a shipping company. As part of the package- handling system, a small box with mass 1.60 kg i
Kisachek [45]

Answer:

v = 0.84m/s, v(max)= 0.997m/s

Explanation:

Initial work done by the spring, where c is the compression = 0.28m:

W_s = \frac{1}{2}kc^2

Work lost to friction:

W_f =\mu mg(c-x)

Energy:

E = W_s-W_f=\frac{1}{2}kc^2 -\mu mg(c-x)=\frac{1}{2}mv^2+\frac{1}{2}kx^2

(a) Solve for v:

v=\sqrt{\frac{k}{m}(c^2-x^2)-2\mu g(c-x)}

(b) Solve \frac{dv}{dx}=0 for x:

\frac{dv}{dx}=\frac{\mu g-\frac{k}{m}x}{\sqrt{\frac{k}{m}(c^2-x^2)-2\mu g(c-x)}}

\frac{dv}{dx}=0 if:

\mu g-\frac{k}{m}x = 0

x_{max} = \frac{\mu gm}{k}

v_{max}=\sqrt{\frac{k}{m}c^2-2\mu gc+(\mu g)^2\frac{m}{k}}

6 0
3 years ago
Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. Which of these mate
Dmitry [639]

Answer:

metal

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metal is an excellent conductor for heat and electricity therefore making it perfect to experiment with different temperatures.

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2 A box of mass 3 kg is initially at rest. Find the kinetic energy acquired by the box if
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When a wave is acted upon by an external damping force, what happens to the energy of the wave
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The energy of the wave decreases gradually
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