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Alex777 [14]
1 year ago
14

a kettle heats 1.75 kg of water. the specific latent heat of vaporisation of water is 3.34 x 106 j/kg. how much energy would be

needed to boil off the water?
SAT
1 answer:
Dmitry [639]1 year ago
8 0

Answer:  The energy needed is 5845000J

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Which of the following groups of people would be the least affected by air pollution? a. People with asthma b. Infants c. Teenag
ryzh [129]
I would say C. Because babies lungs system is still developing, people with asthmas lungs are week and so are the elderly’s
4 0
2 years ago
After years of washing his laundry at the corner Laundromat, Marco was glad to move into an apartment with washer and dryer hook
Damm [24]

Answer: Ture. It satisfies Utilitarian needs

Explanation:

Utilitarian needs are our basic needs or those needs that either make our lives better if they were to be satisfied.

They can be satisfied by buying products that satisfy our basic needs as well as products of great quality with cheaper pricing, offer us variety and/or give us more convenience.

The washer and dryer that Marco is going to buy will give him more convenience which means that it is satisfying a Utilitarian needs.

7 0
2 years ago
Which equation is an example of the commutative property of multiplication? (4 2i) = (2i 4) (4 2i)(3 – 5i) = (3 – 5i)(4 2i) (4 2
kozerog [31]

Option B is correct. (4 + 2i)(3 – 5i) = (3 – 5i)(4 + 2i) satisfies the commutative property of multiplication

Given two values A and B, according to the commutative property of multiplication;

  • AB = BA

This shows that the product of A and B stays the same no matter the arrangement.

From the given option, we can see that (4 + 2i)(3 – 5i) = (3 – 5i)(4 + 2i) satisfies the commutative property of multiplication where we can say;

A = 4 + 2i and B = 3 - 5i

Learn more here: brainly.com/question/17955280

4 0
2 years ago
Find the value of ab​
Genrish500 [490]

Answer:

AB = 16 Units

Explanation:

In the given figure, CD is the diameter and AB is the chord of the circle.

Since, diameter of the circle bisects the chord at right angle.

Therefore, AE = 1/2 AB

Or AB = 2AE...(1)

Let the center of the circle be given by O. Join OA.

OA = OD = 10 (Radii of same circle)

Triangle OAE is right triangle.

Now, by Pythagoras theorem:

8 0
2 years ago
The f2 progeny from a particular f1 dihybrid cross exhibited a modified ratio of 9:7 (instead of 9:3:3:1). What phenotypic ratio
Damm [24]
It should be one but if I’m wrong I am so so sorry
4 0
2 years ago
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