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snow_tiger [21]

3 years ago

12

Which of the following best describes solids, liquids, and gases? the speed at which fluids flow the measurement of elasticity i

n fluids the normal phases in which matter exists the ability of a fluid to flow through anything

2 answers:

Grace [21]3 years ago

8 0

It’s gas it makes total sense

Novay_Z [31]3 years ago

6 0

It’s gas. Gas is the answer

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Determine the number of sheets of plywood needed to lay the subfloor of a building that measures 24' wide and 64' long. what is

skad [1K]

Answer:

48 pieces
1536 ft²

Explanation:

The 24' dimension is 6 times the 4' dimension of a 4×8 ft piece of plywood. The 64' dimension is 8 times the 8' dimension of a 4×8 ft piece of plywood.

Hence, it will take 6×8 = 48 pieces of plywood to cover the floor.

The area of the floor is the product of its dimensions:

24' × 64' = 1536 ft²

4 0

3 years ago

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A "scale" is constructed with a 4-ft-long cord and the 10-lb block D. The cord is fixed to a pin at A and passes over two small

Anarel [89]

Answer:

attached below

Explanation:

8 0

3 years ago

A satellite orbits the Earth every 2 hours at an average distance from the Earth's centre of 8000km. (i) What is the average ang

AlexFokin [52]

Answer:

i)ω=3600 rad/s

ii)V=7059.44 m/s

iii)F=1245.8 N

Explanation:

i)

We know that angular speed given as

$\omega =\dfrac{d\theta}{dt}$

We know that for one revolution

θ=2π

Given that time t= 2 hr

So

ω=θ/t

ω=2π/2 = π rad/hr

ω=3600 rad/s

ii)

Average speed V

$V=\sqrt{\dfrac{GM}{R}}$

Where M is the mass of earth.

R is the distance

G is the constant.

Now by putting the values

$V=\sqrt{\dfrac{GM}{R}}$

$V=\sqrt{\dfrac{6.667\times 10^{-11}\times 5.98\times 10^{24}}{8000\times 10^3}}$

V=7059.44 m/s

iii)

We know that centripetal fore given as

$F=\dfrac{mV^2}{R}$

Here given that m= 200 kg

R= 8000 km

so now by putting the values

$F=\dfrac{mV^2}{R}$

$F=\dfrac{200\times 7059.44^2}{8000\times 10^3}$

F=1245.8 N

3 0

3 years ago

If the bending moment (M) is 4,176 ft-lb and the beam is an 1 beam, calculate the bending stress (psi) developed at a point with

SpyIntel [72]

Answer:

Bending stress at point 3.96 is \sigma_b = 1.37 psi

Explanation:

Given data:

Bending Moment M is 4.176 ft-lb = 50.12 in- lb

moment of inertia I = 144 inc^4

y = 3.96 in

$\sigma_b = \frac{M}{I} \times y$

putting all value to get bending stress

$\sigma_b = \frac{50.112}{144} \times 3.96$

$\sigma_b = 1.37 psi$

Bending stress at point 3.96 is $\sigma_b$ = 1.37 psi

3 0

4 years ago

A. Imagine the white car in the left lane is moving more slowly than the surrounding traffic. How is this a violation of a state

asambeis [7]

The roads have pre-described lanes that should follow a particular speed and rules. When a driver drives slowly than he makes the other drivers impatient.

<h3>What are traffic rules?</h3>

Traffic rules are the regulations that are defined to regulate the vehicles and other conveyances that walk on the road. They are different in various places and have separate punishments for not following them.

The left lane of the road is generally for the drivers who want to pass by the vehicle ahead by following the mph rule. If the driver drives slowly then they make the other people impatient and result in honking.

Therefore, the driver driving slowly in the left lane makes others impatient.

Learn more about traffic rules here:

brainly.com/question/6034089

#SPJ2

4 0

2 years ago

Read 2 more answers