3 years ago

An instrument that measures wind speed is called a(n ________.

1 answer:

7 0

The instrument that measures wind is called anemometer. Anemometer not only measures wind, but also, this measures the direction of the wind. And anemometer is also a common device used in a station weather. It is dervived from the greek work anemos which means wind.

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A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a v

Umnica [9.8K]

Answer:

Average force exerted by the water on the blades is 1024 N

Explanation:

As we know that the force due to water jet is given by

$F = (v_{in} - v_{out})\frac{dm}{dt}$

here we know that

$v_{in} = 16 m/s$

$v_{out} = -16 m/s$

$\frac{dm}{dt} = 32 kg/s$

so here we will have

$F = (16 + 16)(32)$

$F = 1024 N$

Average force exerted by the water on the blades is 1024 N

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3 years ago

The specific heat of gold is 0.031 calories/gram°C and the specific heat of silver is 0.057 calories/gram°C. If equal amounts of

Nady [450]

The gold will heat up almost twice as fast. The specific heat of a metal tells us just how much calories is needed to change the temperature of a metal by 1 degree celsius. Given this, the smaller the specific heat of a metal, the faster it will heat up.

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3 years ago

According to Hooke's law, the force necessary to stretch or compress a spring is proportional to what value?

ankoles [38]

Answer:

displacement

Explanation:

Hookes Law describes the elastic properties of materials only in the range in which the force and displacement are proportional (displacement = change in length).

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3 years ago

What can pressure be measured by?

SOVA2 [1]

'Pressure' is (force) / (area).

The only choice with those units is #1 .

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4 years ago

What kind of energy involves the flow of positive charges?

solniwko [45]

Electrical

Electrical would be the energy that involves the flow of positive changes

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3 years ago

Read 2 more answers