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2 years ago

Which of the following statements best describes the movement of particles in a liquid?

Physics

2 answers:

Vesna [10]2 years ago

5 0

Answer:

The particles in a liquid are close together but move past each other

Explanation:

Rufina [12.5K]2 years ago

5 0

Answer:

The partials are far apart but moving fast

Explanation:

g o o g l e

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Discuss the role of global ization in the development of SI unit

Delvig [45]

Answer:

Sharing of information

Explanation:

The development of SI unit has helped in the sharing of scientific as well as techical information internationally.

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3 years ago

REAL ANSWER = BRAINLIST LOOK AT PICS ATTACHED

inysia [295]

Answer:

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3 years ago

What cause the death of stars？

fenix001 [56]

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2 years ago

Read 2 more answers

In creating his definition of horsepower, James Watt, the inventor of the steam engine, calculated the power output of a horse o

Studentka2010 [4]

Answer:

Part a)

$F = 182.3 Lb$

Part b)

$P = 0.55 HP$

Explanation:

Diameter of the circle = 24 ft

Diameter = 731.52 cm = 7.3152 m

now the horse complete 144 trips in one hour

so time to complete one trip is given as

$t = \frac{3600}{144} s$

$t = 25 s$

now the speed of the horse is given as

$v = \frac{2\pi r}{t}$

$v = \frac{\pi(7.3152)}{25}$

$v = 0.92 m/s$

Part a)

Now we know that the power is defined as rate of work done

it is given as

$P = F v$

$746 = F(0.92)$

$F = 810.9 N$

$F = 182.3 Lb$

Part b)

Work done to climb up to 3 m height is given by

$W = mgh$

now we have

$Power = \frac{Work}{time}$

$P = \frac{mgh}{t}$

$P = \frac{(70kg)(9.81)(3)}{5.0s}$

$P = 412.02 Watt$

now we know that 1 HP = 746 Watt

so we have

$P = \frac{412}{746} = 0.55 HP$

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3 years ago

Acceleration is defined as the change in velocity divided by

mihalych1998 [28]

Answer:

change in time

Explanation:

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3 years ago