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3 years ago

Why is the steering of a car wheel and axle

Physics

2 answers:

Effectus [21]3 years ago

8 0

Answer:

because a smaller cylinder shaped wheel, called the axel ,connects the wheels on a car.

Sauron [17]3 years ago

5 0

Answer:

have a greater mechanical advantage

Explanation:

this enables the mechanism to output a large amount of force compared to the force put into it due to ratio of the wheel and the axle therefore providing enough force to steer the rather heavy wheels while saving the driver some muscle power

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How long does it take to raise the temperature of the air in a good-sized living room (3.00m×5.00m×8.00m) by 10.0∘C? Note that t

QveST [7]

Answer : The time required is, 16.1 minutes.

Explanation :

First we have to calculate the amount of heat required to increase the temperature is:

$Q=mC\Delta T\\\\Q=\rho VC\Delta T$

$(m=\rho V)$

where,

Q = amount of heat required = ?

m = mass

$\rho$ = density of air = $1.20kg/m^3$

V = volume of air

C = specific heat of air = $1006J/kg^oC$

$\Delta T$ = change in temperature = $10.0^oC$

Now put all the given values in above formula, we get:

$Q=\rho VC\Delta T$

$Q=(1.20kg/m^3)\times (3.00m\times 5.00m\times 8.00m)\times (1006J/kg^oC)\times (10.0^oC)$

$Q=1.449\times 10^6J$

Now we have to calculate the time required.

Formula used :

$t=\frac{Q}{P}$

where,

t = time required = ?

Q = amount of heat required = $1.449\times 10^6J$

P = power = 1500 W

Now put all the given values in above formula, we get:

$t=\frac{1.449\times 10^6J}{1500W}$

$t=966s\times \frac{1min}{60s}=16.1min$

Thus, the time required is, 16.1 minutes.

3 0

3 years ago

On the decibel scale, an increase of 10 decibels means an intensity increase of __________times?

Sonbull [250]

Answer:

Explanation:

The decibel or decibel, is a unit that relates two values of sound pressure, and electrical power. the base unit is the bel, but given the amplitude but for practicality, a submultiple, the decibel, is used. It is a scalar expression .

Zero belios is the reference value used as a base, hence a bel is equivalent to 10 decibels and means that there is a power increase of 10 times over the reference value.

3 0

2 years ago

Read 2 more answers

What is a element that tends to be shiny, easy shaped, and a good conductor of heat?

ozzi

The answer to your question is Metal

8 0

2 years ago

What is the only thing that can change

krok68 [10]

Answer:

Since velocity is a speed and a direction, there are only two ways for you to accelerate