subject

Physics, 23.04.2021 18:10 mkhayaro

If the length of a wire is halved and its cross-sectional area is doubled, then what would be the resistance of the wire?
(Given, initially the resistance of the wire is R)

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 22.06.2019 00:00

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

Answers: 2

question

Physics, 22.06.2019 13:00

Avoltaic cell converts chemical energy to

Answers: 1

question

Physics, 22.06.2019 13:30

In a series circuit the __ is the same at every point

Answers: 2

question

Physics, 22.06.2019 14:30

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Answers: 2

You know the right answer?

If the length of a wire is halved and its cross-sectional area is doubled, then what would be the...

Questions

question

Arts, 29.04.2021 18:30

How do you think science and accuracy in painting affected the religious messages of Renaissance paintings during that time period?...

question

Social Studies, 29.04.2021 18:30

“Our own brain, our own heart is out temple; the philosophy is kindness.” What does Dalai Lama mean by that quote?...

question

Physics, 29.04.2021 18:30

This 80 kg car is moving at 20m/sec at the top where the hills radius is 100m. What is the centrifugal force? Please helped this is timed...

question

Chemistry, 29.04.2021 18:30

Which of the following is an example of condensation? a)H2O(s) → H2O(l) b)H2O(g) → H2O(l) c)H2O(l) → H2O(g) d)H2...

question

Mathematics, 29.04.2021 18:30

A painter is painting a wall with an area of 150 ft2. He decides to paint half of the wall and then take a break. After his break, he paints half of...

question

Business, 29.04.2021 18:30

Using the rule of 70, select all of the following that are true. Group of answer choices A country with an annual population growth rate of 2% will do...

question

Mathematics, 29.04.2021 18:30

A line has a slope of 1 and passes through the point (-4,1). What is its equation in slope-intercept form?...

question

Mathematics, 29.04.2021 18:30

F the quadratic function f(x) = x2^2 is graphed below along with the quadratic function g(x) which of the following could be a correct equation for...

question

Mathematics, 29.04.2021 18:30

What is a half-life? Suppose a radioactive substance has a half-life of 1800 years. What fraction will be left after 1800 years? After 3600 years? Aft...

question

Mathematics, 29.04.2021 18:30

Find the distance between the points (4,3) and (-1,4) round answer to the nearest tenth...

question

Chemistry, 29.04.2021 18:30

2Na( s) + 2H20(1) 2NaOH(aq) + H2(g) What is the theoretical yield in liters of Hy gas if 5.00 g of Na are completely reacted and the H2 gas is...

question

Business, 29.04.2021 18:30

Susan manages the aquatic center. She uses 40000 bulbs during the course of a year. The following information is known about the bulbs: Annual demand:...

question

Mathematics, 29.04.2021 18:30

Select all the true statements. 2.3 + (-2.3) is equal to zero. (-3.7) + (-4.1) is positive. -2.6 - (-124) is positive. 52 + (-2.5)...

question

Mathematics, 29.04.2021 18:30

15 cm 15 cm 16 cm 20 cm 57 cm What is the perimeter of the polygon?

question

Health, 29.04.2021 18:30

7 Select the correct answer. Child development includes biological, psychological, and emotional developm A. True B. F...

question

Mathematics, 29.04.2021 18:30

Evaluating Expressions Use the order of operations to help you solve. 67 - (8 X 6) (100 + 25) = 5 18 X (32 +16) 67 - 48

question

English, 29.04.2021 18:30

I’ll give points + brainalist, btw you might need to look up the whole story by yourself but I’ll give a little bit with the picture (:

question

History, 29.04.2021 18:30

How did coffee affect history?...

question

English, 29.04.2021 18:30

Define anything you want to....

question

Physics, 29.04.2021 18:30

Blown balloon kept outside on a sunny day bursts what will happen to the ballon...

More questions: Physics Another questions