Physics

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For the circuit shown in the figure, V = 20 V, C = 10 F, R = 0.80 M, and the battery is ideal. ... Started by sarasara	9 Replies 1,552 Views	Oct 4, 2022 by allentj
A crane lifts a steel submarine of density 7800 kg/m3 and mass 20,000 kg. What is the tension in the ... Started by kellyjaisingh	4 Replies 1,578 Views	Mar 9, 2022 by Isaiah Sanders
Why are molecular lines more complex than elemental spectral lines? A) Molecules Started by plus1	1 Replies 1,586 Views	Aug 28, 2013 by notis
What information about an astronomical object can be determined by observing its Started by plus1	1 Replies 1,597 Views	Aug 28, 2013 by notis
Which statement about declination is FALSE? A) Polaris is almost at +90 degrees. Started by Melanie	1 Replies 1,604 Views	Aug 28, 2013 by penza
Exhibit 9-1Two birds of prey hurtling after the same mouse collide in mid-air and grab each other ... Started by Garrulous	2 Replies 1,613 Views	Apr 21, 2024 by Agnes Tang
A plot of land contains 5.8 acres. How many square meters does it contain? 1 acre = 43,560 ft2 A) ... Started by ENagel	3 Replies 1,634 Views	Jul 29, 2018 by Expo
The energy required to move an electron in a hydrogen atom from energy level 2 t Started by plus1	1 Replies 1,674 Views	Aug 28, 2013 by notis
A soda straw is stuck into water at an angle of 36 to the vertical. Looking straight down, what does ... Started by Mr. Wonderful	8 Replies 1,705 Views	Aug 16, 2023 by Maphisa Khulekani
A container has a vertical tube, whose inner radius is 24.00 mm, connected to it at its side, as ... Started by Capo	3 Replies 1,722 Views	Feb 11, 2022 by Jocelyn Normand
The observed spectral lines of a star are all shifted towards the red end of the Started by plus1	1 Replies 1,742 Views	Aug 28, 2013 by notis
A ball of mass 5.0 kg is suspended by two wires from a horizontal arm that is attached to a vertical ... Started by imowrer	1 Replies 1,744 Views	Jul 29, 2018 by SVictor
What does the phenomenon of diffraction demonstrate? A) the wave nature of light Started by futuristic	1 Replies 1,852 Views	Aug 28, 2013 by curlz
If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = 80 nC, and q = 24 nC in the figure, what is the ... Started by altibaby	4 Replies 1,855 Views	Oct 3, 2022 by Abraham Cataño Santos
According to the Zeeman effect, the splitting of a sunspot's spectral lines is d Started by plus1	1 Replies 1,901 Views	Aug 28, 2013 by notis
A 1N4742A has a maximum power rating of 1.0 W at 50 C. The derating factor is 9.67 mW/C. If it is ... Started by elizabeth18 « 1 2 All »	14 Replies 1,973 Views	Mar 6, 2023 by Cool Dog
When adding two numbers, the number of significant figures in the sum is equal to the number of ... Started by abc	3 Replies 1,991 Views	Jul 29, 2018 by Toya9913
A conducting rod whose length is = 1.60 m is placed on frictionless U-shaped metal rails that is ... Started by mspears3 « 1 2 All »	18 Replies 2,023 Views	Mar 19, 2021 by Affiq Mohammed
Does magnetism ever wear off? Started by Sandstorm	1 Replies 2,025 Views	Jun 10, 2013 by camila
An object transfers heat when its temperature is raised by contact with ... Started by NguyenJ	1 Replies 2,122 Views	Jul 29, 2018 by tmlewis4706
If the rest wavelength of a certain line is 600 nm., but we observe it at 594 nm Started by plus1	1 Replies 2,192 Views	Aug 28, 2013 by notis
What is made from semiconductors and need little voltage? Started by j_sun	2 Replies 2,215 Views	Jun 24, 2013 by TI
A 5-kg piece of lead (specific heat 0.03 cal/g/C) having a temperature of 80C is added to 500 g of ... Started by newbem	3 Replies 2,318 Views	Jul 28, 2018 by miss_1456@hotmail.com
The figure shows a right-angled construction frame ABC. When measured at rest, it has dimensions as ... Started by nramada	5 Replies 2,443 Views	May 4, 2020 by carter gupton
Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.0 m ... Started by JGIBBSON	2 Replies 2,496 Views	Apr 26, 2024 by Agnes Tang