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nikklg [1K]
3 years ago
12

Which of these best defines weather? (3 points) a Atmospheric conditions over 30-year period Ob Day-to-day condition of the atmo

sphere Ос Long-term condition of the atmosphere O d Average atmospheric condition.​
Physics
2 answers:
Anastaziya [24]3 years ago
7 0

Answer:

Average atmospheric condition.

Explanation:

prisoha [69]3 years ago
3 0

Answer:

b Day-to-day condition of the atmosphere

Explanation:

Weather is short term, Climate is long term

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A mechanic needs to replace the motor for a merry-go-round. The merry-go-round should accelerate from rest to 1.5 rad/s in 6.0s
pashok25 [27]

Answer:

109656.25 Nm

Explanation:

\omega_f = Final angular velocity = 1.5 rad/s

\omega_i = Initial angular velocity = 0

\alpha = Angular acceleration

t = Time taken = 6 s

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\omega_f=\omega_i+\alpha t\\\Rightarrow \alpha=\dfrac{\omega_f-\omega_i}{t}\\\Rightarrow \alpha=\dfrac{1.5-0}{6}\\\Rightarrow \alpha=0.25\ rad/s^2

Torque is given by

\tau=I\alpha\\\Rightarrow \tau=\dfrac{1}{2}mr^2\alpha\\\Rightarrow \tau=\dfrac{1}{2}29000\times 5.5^2\times 0.25\\\Rightarrow \tau=109656.25\ Nm

The torque specifications must be 109656.25 Nm

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3 years ago
Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One gro
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