3 years ago

What does the term “periodic” mean when describing motion

2 answers:

6 0

something that repeats itself as time goes on. roughly, a simple pendulum moves back and forth as time goes on and it has a periodic time.

3 0

something that repeats itself as time goes on. roughly, a simple pendulum moves back and forth as time goes on and it has a periodic time.

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SashulF [63]

That is b. hope this helps cx

8 0

2 years ago

Elis [28]

Answer: $115.52\ N$

Explanation:

Given

Length of plank is 1.6 m

Force $F_1$ is applied on the left side of plank

Force $F_2$ is applied 43 cm from the left end O.

Mass of the plank is $m=13.7\ kg$

for equilibrium

Net torque must be zero. Taking torque about left side of the plank

$\Rightarrow mg\times 0.8-F_2\times 0.43=0\\\\\Rightarrow F_2=\dfrac{13.7\times 9.8\times 0.8}{0.43}\\\\\Rightarrow F_2=249.78\ N$

Net vertical force must be zero on the plank

$\Rightarrow F_1+W-F_2=0\\\Rightarrow F_1=F_2-W\\\Rightarrow F_1=249.78-13.7\times 9.8\\\Rightarrow F_1=115.52\ N$

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2 years ago

nirvana33 [79]

Explanation/Answer:

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3 years ago

IRINA_888 [86]

Compressional waves can travel through all states of matter.

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3 years ago

kobusy [5.1K]

<span>On the y-axis (the bottom of the table) hope this helps</span>

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3 years ago