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3 years ago

What year did Vidal Sassoon come to America ?

Engineering

2 answers:

Gre4nikov [31]3 years ago

5 0

Answer:

The early 1970s.

tekilochka [14]3 years ago

3 0

Answer:

1970

Explanation:

the answer must enough 20 character, so I...

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A dual voltage/dual resistance AC hair dryer can be used with a 120 V or 230 V power supply. A switch allows the user to set the

NISA [10]

Answer:

The power is $p= 5621 W$

Explanation:

In order to obtain the power it consumes we need to first obtain the resistance of the hair dryer at 120 V

$R = \frac{V^2}{P} = \frac{(120 V)^2}{1530W} = 9.411 \Omega$

Now the power supplied in Europe at their voltage of 230V would be

$P = \frac{V^2} {R} = \frac{(230V)^2}{9.411 \ \Omega} = 5621 W$

Looking the power obtain we see that it is higher than 1530 W so this would cause the dryer to smoke.

3 0

4 years ago

A 75 mm diameter, 15 mm wide A80-M12V grinding wheel is used for traverse surface grinding of a 75 mm by 75 mm 1040 steel workpi

Dmitrij [34]

Answer:

Detailed solution is given and calculations are done

3 0

3 years ago

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mash [69]

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5 0

3 years ago

Read 2 more answers

A driver traveling in her 16-foot SUV at the speed limit of 30 mph was arrested for running a red light at 15th and Main, an int

Lynna [10]

Answer:

(a) Yes

(b) 102.8 ft

Explanation:

(a)First let convert mile per hour to feet per second

30 mph = 30 * 5280 / 3600 = 44 ft/s

The time it takes for this driver to decelerate comfortably to 0 speed is

t = v / a = 44 / 10 = 4.4 (s)

given that it also takes 1.5 seconds for the driver reaction, the total time she would need is 5.9 seconds. Therefore, if the yellow light was on for 4 seconds, that's not enough time and the dilemma zone would exist.

(b) At this rate the distance covered by the driver is

$s = v_0t + \frac{at^2}{2}$

$s =44*1.5 + 44(4.4) - \frac{10*4.4^2}{2} = 162.8 (ft)$

Since the intersection is only 60 feet wide, the dilemma zone must be

162.8 - 60 = 102.8 ft

4 0

3 years ago

How does the clearance volume affect the efficiency of the Otto cycle?

eduard

Answer:

Explanation:

A smaller clearance volume means a higher compression. A higher compression means better thermal efficiency. However a compression ratio too high might be troublesome, as it can cause accidental ignition of the fuel-air mix. This is the reason why Otto cycle engines have lower compressions that Diesel engines. In a Diesel engine the mix ignites by compression instead of a spark.

7 0

3 years ago