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4 years ago

7

Which phrases describe all the outer planets’ motion? Check all that apply.

2 answers:

uranmaximum [27]4 years ago

8 0

Answer: slow revolution and fast rotation

Solar system has 8 planets. 4 inner rocky planets - Mercury, Venus, Earth and Mars and 4 outer gaseous planets - <u>Jupiter, Saturn, Uranus and Neptune.</u> The outer planets have few common features.

They are gaseous. There period of revolution is larger than the inner planets which means that they have slow revolution about the Sun. One day on the outer planets is smaller than the inner planets which means they have fast rotation.

<u>For example,</u> Jupiter has revolves around sun in 11.86 Earth years and rotates about axis in 9.8 Earth hours. Uranus revolves around sun in 84 Earth years and rotates on its axis 17.9 Earth hours.

kodGreya [7K]4 years ago

4 0

fast rotation

slow revolution

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An ambulance is currently traveling at 25 m/s, and is accelerating with a constant acceleration of 5 m/s^2. The ambulance is att

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Answer:

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Explanation:

Given initial velocity of ambulance

v0=18m/s , acceleration a=5m/s2

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First we need to calculate the time for which it acquires 30\,m/s. For that use equation

v=v0+at

30=18+5×t

⇒t=30−185=125seconds

Distance travelled by the ambulance

x=v0t+12at2

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2 years ago

A flywheel with a very low friction bearing takes 1.6 h to stopafter the motor power

Nina [5.8K]

Answer:

(I). The initial rotation rate is 4.29 rad/s.

(II). The revolutions is 3932.

Explanation:

Given that,

Time = 1.6 h

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(I). We need to calculate the initial rotation rate in rad/s

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$\omega=\dfrac{41\times 2\pi}{60}\ rad/s$

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(II). We need to calculate the revolutions

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(II). The revolutions is 3932.

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4 years ago

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3 years ago

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kvv77 [185]

Answer:

The unit rate is $0.22 lb

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The given parameters are;

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Therefore, given that 1 lb = 18 lb/18, the price of 1 lb which is the unit rate is given as follows;

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Divide both sides by 18 to get;

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1 lb = 18 lb/18 = $0.221 $\bar 6$

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3 years ago