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2 years ago

Whose work is responsible for the invention of the air bag? Scientist, Engineers or both?

Computers and Technology

1 answer:

jenyasd209 [6]2 years ago

3 0

The scientist and the engineers were both responsible for the invention of the airbag.

Peter Florhancicn was a scientist and he invented the airbag because of the Dutch people who drowned when they drove into the canals

Also, John Hetrick who was an engineer filed for the patent of airbags when he saw that deers were running across the road. He believed that it could cause an accidentthat led to the invention.

In conclusion, both the engineers and the scientists were responsible.

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Brrunno [24]

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3 years ago

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2 years ago

¿Cuál es la potencia de una lámpara de incandescencia que se conecta a la red de 220 V, sabiendo que tiene una resistencia de 50

Juliette [100K]

Answer:

1,000W (rounded to one significant figure)

Explanation:

I will answer in English.

The question is:

What is the power of a filament lamp that connects to the 220 V network, knowing that it has a resistance of 50 ohms?

<h2>Solution</h2>

Power, voltage, resistance, and current, are related by either of the following equations:

P = V × I

P = R × I²

P = V² / R

Where:

P is power in watts (W)

R is resistance in ohms (Ω)

V is voltage in volts (V), and

I is current in amperes (A)

Since you know the voltage (220V) and the resistance (50Ω), you can use the last equation:

P = V² / R

P = (220v)² / (50Ω)

P = 968 W

Since the magnitude 50Ω has one significant figure, your answer should be rounded to one significant figure. That is 1,000W.

7 0

3 years ago

Consider the following method, remDups, which is intended to remove duplicate consecutive elements from nums, an ArrayList of in

MAXImum [283]

Answer:

B. {1, 2, 2, 3, 3, 4, 5}

Explanation:

Given

The above code segment

Required

Determine which list does not work

The list that didn't work is $B.\ \{1, 2, 2, 3, 3, 4, 5\}$

Considering options (A) to (E), we notice that only list B has consecutive duplicate numbers i.e. 2,2 and 3,3

All other list do not have consecutive duplicate numbers

Option B can be represented as:

$nums[0] = 1$

$nums[1] = 2$

$nums[2] = 2$

$nums[3] = 3$

$nums[4] = 3$

$nums[5] = 4$

$nums[6] = 5$

if (nums.get(j).equals(nums.get(j + 1)))

The above if condition checks for duplicate numbers.

In (B), when the elements at index 1 and 2 (i.e. 2 and 2) are compared, one of the 2's is removed and the Arraylist becomes:

$nums[0] = 1$

$nums[1] = 2$

$nums[2] = 3$

$nums[3] = 3$

$nums[4] = 4$

$nums[5] = 5$

The next comparison is: index 3 and 4. Meaning that comparison of index 2 and 3 has been skipped.

This is so because of the way the if statement is constructed.

3 0

2 years ago