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Recent questions in Physics
Can unstructured decisions be programmed directly into operational information systems so that they can be made with little or no human intervention? 1) Yes 2) No
Joel Lucsy
asked
Oct 2, 2024
by
Joel Lucsy
8.1k
points
Physics
high-school
1
answer
1
vote
212k
views
Boston Red Sox pitcher Roger Clemens could routinely throw a fastball at a horizontal speed of 160 km/h. How long did the ball take to reach home plate, which is 18.4 meters away? (Show your solution).
Adedoy
asked
Oct 2, 2024
by
Adedoy
7.9k
points
Physics
high-school
1
answer
2
votes
17.0k
views
I am reading Griffiths's Introduction to Electrodynamics (3rd edition). In the part of dieletric polarization (p.166), the author first adopts the potential for a single dipole: V(r)=14πϵ0ˆr⋅pr2,V(r)=14πϵ0r^⋅pr2,
Ninamarie
asked
Oct 2, 2024
by
Ninamarie
8.6k
points
Physics
high-school
1
answer
0
votes
79.1k
views
Water is filled in a beaker of height 21 cm. Then till what height must the water be added so that it looks half of it is filled? (a) 10.5 cm (b) 14 cm (c) 15.5 cm (d) 18 cm
Dafydd Rees
asked
Oct 2, 2024
by
Dafydd Rees
7.8k
points
Physics
high-school
1
answer
2
votes
154k
views
WHAT IS IN THE SPACE RACE
Egil
asked
Oct 2, 2024
by
Egil
8.5k
points
Physics
college
1
answer
4
votes
170k
views
True/False: Would titanium dioxide create eddy currents in an oscillating magnetic field?
Fazal Majid
asked
Oct 2, 2024
by
Fazal Majid
7.8k
points
Physics
high-school
1
answer
2
votes
148k
views
A cylindrical region of radius R contains a uniform magnetic field, parallel to its axis, with magnitude that is changing linearly with time. If r is the radial distance from the cylinder axis, the magnitude
John Jiang
asked
Oct 2, 2024
by
John Jiang
7.9k
points
Physics
high-school
1
answer
0
votes
230k
views
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each transition: n = 3--> n = 2
Awendt
asked
Oct 2, 2024
by
Awendt
7.8k
points
Physics
high-school
1
answer
5
votes
6.1k
views
Cheyne-Stokes Respiration, a respiratory ailment, causes the volume per breath to increase and decrease as a function of time, and this change can be modeled by a sinusoidal function. A machine is used
Cheruvian
asked
Oct 2, 2024
by
Cheruvian
7.8k
points
Physics
high-school
1
answer
5
votes
43.9k
views
What is the scale factor of the dilation? a) One-eighth b) One-fourth c) 48 d) 2
Gavin Thornton
asked
Oct 2, 2024
by
Gavin Thornton
8.2k
points
Physics
high-school
1
answer
3
votes
45.1k
views
An electron transition from n = 2 to n = 5 in a Bohr hydrogen atom would correspond to the following energy. A. 4.9 x 10^19 J B. -4.9 x 10^-19 J C. 4.9 x 10^-16 D. -4.9 x 10^19 J E. 4.9 x 10^-19 J
Erwin Wessels
asked
Oct 2, 2024
by
Erwin Wessels
8.0k
points
Physics
high-school
1
answer
3
votes
19.1k
views
How do collisions between molecules transfer energy from a system of reacting substances to its surroundings
Tom Gijselinck
asked
Oct 2, 2024
by
Tom Gijselinck
7.6k
points
Physics
high-school
1
answer
1
vote
119k
views
Which energy is the work done by when a force is acting through a distance?
BenGC
asked
Oct 2, 2024
by
BenGC
7.6k
points
Physics
high-school
1
answer
5
votes
235k
views
Fick's Law states the amount of gas exchanged across the alveolar-capillary membrane per unit of time is: a. Inversely proportional to the concentration gradient across the membrane b. Inversely proportional
Nima Sakhtemani
asked
Oct 2, 2024
by
Nima Sakhtemani
8.0k
points
Physics
high-school
1
answer
1
vote
147k
views
Which of the following would be a good control and constants for his experiment? A. The control is a similar balloon left in the shop measured before and after the delivery. The constants are the type
Bells
asked
Oct 2, 2024
by
Bells
7.6k
points
Physics
high-school
1
answer
1
vote
163k
views
Parallax" is when an object's ~what~ seems to shift as the point of view changes?
Krastanov
asked
Oct 2, 2024
by
Krastanov
8.0k
points
Physics
high-school
1
answer
1
vote
159k
views
How do gravitational forces moves objects in the universe?
Shomit
asked
Oct 2, 2024
by
Shomit
7.6k
points
Physics
high-school
1
answer
4
votes
207k
views
The raft consists of a uniform platform having a mass of 2 Mg and four floats, each having a mass of 120 kg and a length of 4m. Determine the height h at which the platform floats from the water's surface.
Wombatz
asked
Oct 2, 2024
by
Wombatz
7.5k
points
Physics
high-school
1
answer
2
votes
93.4k
views
A small mmersion hoator in ralod at 375 W - The specilio hoat of water is 4180 J/kg−C∘ Estmate how long a wil take to heat a cup of soup fassume this is 250 mL of water) from 18 " C to 75 ∘C
Rcsumner
asked
Oct 2, 2024
by
Rcsumner
8.0k
points
Physics
high-school
1
answer
1
vote
40.3k
views
Name a star that is hotter than the sun but smaller in size.
DavidK
asked
Oct 2, 2024
by
DavidK
8.0k
points
Physics
high-school
1
answer
3
votes
100k
views
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