2 years ago

Explain what kind of heat transfer occurs when you burn yourself on a hot car seat in the summer.

Physics

1 answer:

liubo4ka [24]2 years ago

6 0

Conduction is a mode of transfer of heat there

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Kind of physical barrier

adoni [48]

Doors, walls, distance.

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2 years ago

Water flows from a large drainage pipe at a rate of 950 gal/min. What is this volume rate of flow in (a) m3/s , (b) liters/min,

Paladinen [302]

Answer:

$0.05997\ m^3/s$

$3596.1395\ L/min$

$2.11647\ ft^3/s$

Explanation:

$1\ gal/min=\dfrac{1}{264\times 60}\\\Rightarrow 950\ gal/min=950\times \dfrac{1}{264\times 60}\\\Rightarrow 950\ gal/min=0.05997\ m^3/s$

Volume rate of flow is $0.05997\ m^3/s$

$1\ gal/min=3.78541\ L/min\\\Rightarrow 950\ gal/min=950\times 3.78541=3596.1395\ L/min$

Volume rate of flow is $3596.1395\ L/min$

$1\ gal/min=\dfrac{1}{7.481\times 60}\\\Rightarrow 950\ gal/min=950\times \dfrac{1}{7.481\times 60}\\\Rightarrow 950\ gal/min=2.11647\ ft^3/s$

Volume rate of flow is $2.11647\ ft^3/s$

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2 years ago

A ball of mass 6.00 kg moving with a

cestrela7 [59]

Answer: v=8,7m/s

Explanation:

Quando dois corpos andam aglutinados, significam que têm a mesma velocidade, e a quantidade de movimento antes de uma colisão, é igual á quantidade de tempo depois dessa colisão

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2 years ago

What is offensive action in sports ? Give at least one example to support your definition

Maurinko [17]

Answer:

doing something to score like running the ball in football

Explanation:

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2 years ago

Read 2 more answers

28. The mass of a steel building frame is 5500 kg. What power is used to raise it to a helght of 5.0 m If the work is done in 12

vodka [1.7K]

Answer:

2292W

Explanation:

Use the formula for energy first:

$E=D*M$

Where E = Energy || D = Distance || M = Mass.

Solve that equation:

E = 5 * 5500 ==> 27500J

To find power, divide energy per time:

27500J / 12s =~ 2292W

Did it in a rush, any problems message me

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2 years ago