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3 years ago

According to the article, why might acting happy actually make one happy?

Physics

1 answer:

nasty-shy [4]3 years ago

6 0

Answer:

Acting happy can act as a stimuli to making yourself happy and release the happy chemicals.

Explanation:

100 on e2020

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In the waves lab you change blank to see how it would affect wave speed

GaryK [48]

where is the question in this ????

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3 years ago

Why does damp soil help excess electrons move

Marina CMI [18]

Explanation:

Because where there is water, energy is conducted, and <u>moves </u>the electrons.
They also move excess electrons because pure water is a poor conductor

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3 years ago

The pirate ship tie at the amusement park is a giant pendulum that riders sit in. It swings back and forth, with a maximum veloc

kkurt [141]

Here as we know that there is no loss of energy

so we can say that maximum kinetic energy will become gravitational potential energy at its maximum height

So here we have

$\frac{1}{2}mv^2 = mgh$

here we have

v = 20 m/s

m = 8000 kg

now from above equation we have

$\frac{1}{2}(8000)(20^2) = (8000)(9.8)h$

$h = \frac{200}{9.8)$

$h = 20.4 m$

so maximum height is 20.4 m

4 0

3 years ago

Read 2 more answers

Here, mA = 3.65 kg and mB = 7.05 kg. The string connecting the two objects is of negligible mass and the pulley is frictionless.

mr_godi [17]

Answer:

The magintude of the acceleration for both objects is $3.11m/s^2$

Explanation:

Drawing a free body diagram on the two boxes we can analyze the system more easily.

we can take the acceleration going up as positive for reference purposes.

for mA let's suppose that is ascending so:

$T_A-m_A*g=m_A*a$

and for mB (descending):

$T_B-m_B*g=-m_B*a$

$T_A=T_B$

because the two boxes has the same acceleration because they are attached together:

$m_B*g-m_B*a-m_a*g=m_a*a\\(m_B-m_A)*g=(m_a+m_B)*a\\a=\frac{(7.05kg-3.65kg)*9.8m/s^2}{3.65kg+7.05kg}\\\\a=3.11m/s^2$

So the magintude of the acceleration for both objects is $3.11m/s^2$

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3 years ago

List some activities that influence health-related fitness

dsp73

Cardio respiratory endurance, muscular strength, muscular endurance

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3 years ago