3 years ago

how can the thumb and fingers of your right hand be used to identify the direction of a magnetic field?

Physics

1 answer:

Keith_Richards [23]3 years ago

3 0

It is used in two ways ,for linear and motions ,and for rotational motions and directions.

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Answer:hmm not sure on that one

Explanation:

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3 years ago

What burns quicker, white or colored candles?

VashaNatasha [74]

White is a hotter color so it burns faster. :)

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3 years ago

PLEASE HELP ASAP BEST ANSWER WILL BE MARKED BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

pantera1 [17]

Answer:

It is the 3 one

Explanation:

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3 years ago

A small water pump is used in an irrigation system. The pump takes water in from a river at 10oC, 100 kPa at a rate of 5 kg/s. T

sergij07 [2.7K]

Answer:

0.98kW

Explanation:

The conservation of energy is given by the following equation,

$\Delta U = Q-W$

$\dot{m}(h_1+\frac{1}{2}V_1^2+gz_1)-\dot{W} = \dot{m}(h_2+\frac{1}{2}V_2^2+gz_)$

Where

$\dot{m} =$ Mass flow

$h_1 =$ Specific Enthalpy (IN)

$h_2 =$ Specific Enthalpy (OUT)

$g =$ Gravity

$z_{1,2} =$ Heigth state (In, OUT)

$V_{1,2} =$ Velocity (In, Out)

Our values are given by,

$T_i = 10\°C$

$P_1 = 100kPa$

$\dot{m} = 5kg/s$

$z_2 = 20m$

For this problem we know that as pressure, temperature as velocity remains constant, then

$h_1 = h_2$

$V_1 = V_2$

Then we have that our equation now is,

$\dot{m}(gz_1) = \dot{m}(gz_2)+\dot{W}$

$\dot{W} = \frac{(5)(9.81)(0-20)}{1000}$

$\dot{W} = -0.98kW$

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3 years ago

Winner of five swimming gold medals at the 1988 olympics

Fed [463]

Matt Biondi..?
(I don’t know if it’s right, sorry if it is wrong)
:)

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3 years ago