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3 years ago

What is the variable unit for acceleration,gravity and height

Physics

1 answer:

jek_recluse [69]3 years ago

5 0

Answer:

HLW ITS JESS BREGOLI

YOUR ANSWER IS HERE

At different points on Earth's surface, the free fall acceleration ranges from 9.764 m/s2 to 9.834 m/s2[2] depending on altitude and latitude, with a conventional standard value of exactly 9.80665 m/s2 (approximately 32.17405 ft/s2). Locations of significant variation from this value are known as gravity anomalies.

Explanation:

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A horizontal board of negligible thickness and area 2.0 m2 hangs from a spring scale that reads 80 N when a 4.0 m/s wind moves b

ki77a [65]

Answer:

Scale reading for no wind $W'=60N$

Explanation:

From the question we are told that

Area $A= 2.0 m^2$

Weight of board $W=80$

Velocity $V=4.0m/s$

Density of air $\delta= 1.25 kg/m3 .$

Generally the equation for pressure difference by Bernoulli equation is mathematically given by

$dP=\frac{1}{2}pv^2$

$dP=10Pa$

Generally force acting on the board by air is mathematically given by

$F=\triangle PA$

$F=(10)2=>20N$

Therefore

Scale reading for no wind W'

$W'=W-F\\W'=80-20$

$W'=60N$

Scale reading for no wind W'=60N

6 0

3 years ago

Calculate the water pressure in the pipes at the bottom of a high-rise building that is fed by reservoir 60 m above the roof top

yan [13]

P + gh
14 + (9.8)(60) = 602kPa

5 0

3 years ago

Would a Black T shirt or a White T shirt be hotter on a summer day?

tamaranim1 [39]

Answer:

a black T-shirt would be hotter

Explanation:

dark colors absorb heat. light colors reflect it.

7 0

3 years ago

Read 2 more answers

What is Structure C? epiglottis trachea larynx bronchi

finlep [7]

Answer:

it he answer is a trachea

4 0

4 years ago

while test flying the new f-22 raptor fighter jet, test pilot bob put the plane in a horizontal loop while flying at the speed o

sveticcg [70]

Given

v = 343 m/s

ac = 5g

ac = 5*9.8 m/s^2

ac = 49 m/s^2

where,

v: velocity

ac = centripetal aceleration

Procedure

We call the acceleration of an object moving in uniform circular motion—resulting from a net external force—the centripetal acceleration ac; centripetal means “toward the center” or “center seeking”.

Formula

$\begin{gathered} a_c=\frac{v^2}{r} \\ r=\frac{v^2}{a_c} \\ r=\frac{(343m/s)^2}{49m/s^2} \\ r=2401\text{ m} \end{gathered}$

The minimum radius not to exceed the centripetal acceleration is 2401 m.

8 0

2 years ago