User Peter Green

17 votes

Could a computer unblur the image from an out of focus microscope?

answered Aug 2, 2017 at 12:16

16 votes

Should a spacecraft be launched towards the East?

answered Oct 18, 2016 at 1:49

16 votes

Watts vs. volts amperes

answered Jun 3, 2019 at 18:37

8 votes

Simple Pendulum Why Generalized Coordinate Always Angle?

answered Oct 1, 2017 at 0:24

7 votes

How is it possible there are UV photos while our eyes cannot detect UV waves?

answered Feb 3, 2020 at 2:51

6 votes

If we dropped an object into the Pacific Ocean, would it completely sink to the bottom of the ocean floor or not?

answered Aug 12, 2016 at 8:38

4 votes

Weightlessness in Satellites

answered Jan 25, 2016 at 0:13

4 votes

Does an object float more or less with more or less gravity?

answered Aug 8, 2016 at 1:01

3 votes

Accepted

Why can a red laser beam reflect in a blue surface?

answered Dec 14, 2016 at 22:23

3 votes

What goes on inside a kettle if you can't get to it after the whistling begins?

answered Aug 3, 2018 at 15:45

2 votes

Why should a moving piston generate pressure variation?

answered Nov 21, 2018 at 22:41

2 votes

Why does a 60W bulb glow brighter than a 100W bulb in a series?

answered Nov 30, 2018 at 23:25

2 votes

What is the function of this complicated tensioning system?

answered Dec 5, 2018 at 9:49

2 votes

Question about buoyancy

answered Sep 18, 2017 at 2:18

2 votes

Metallic coin over wooden block in glass of water

answered Nov 28, 2015 at 16:20

1 vote

Why does friction cause a car to turn?

answered Dec 18, 2015 at 12:50

1 vote

How jet engine works in vacuum

answered Jul 9, 2016 at 3:38

1 vote

Why doesn't increasing resistance increase brightness if $P=I^2\cdot R$

answered Feb 6, 2017 at 14:11

1 vote

Rollercoaster meets a bird. How to measure damage

answered Oct 22, 2016 at 2:42

1 vote

How to get the UT1 directly? or How to get the UT1-UTC

answered Dec 21, 2018 at 23:55

1 vote

Will space junk handle itself to an extent?

answered Nov 26, 2018 at 5:16

1 vote

What exactly is "pressure", and what's its relation to force?

answered Jan 6, 2018 at 3:31

1 vote

If force depends only on mass and acceleration, how come faster objects deal more damage?

answered Feb 18, 2022 at 1:58

1 vote

Why is it easier to raise AC current to high voltage than DC?

answered Aug 26, 2022 at 20:03

1 vote

Different degrees of freedom with RGB, CMYK and Frequency

answered Feb 12, 2020 at 18:31

0 votes

Why do we see a blurred image when the screen is not placed at the position where the image is formed by a convex lens?

answered Feb 11, 2022 at 19:42

0 votes

Why is the far point of human eye infinite?

answered Feb 3, 2020 at 16:54

0 votes

Accepted

Calculation of voltmeter reading

answered Aug 3, 2018 at 14:54

0 votes

Why should a voltmeter have a higher resistance than of any circuit element across which the voltmeter is connected?

answered Aug 3, 2018 at 20:15

0 votes

Understanding rocket problem intuitively

answered Nov 3, 2016 at 15:49

Stack Exchange Network

34 Answers

Could a computer unblur the image from an out of focus microscope?

Should a spacecraft be launched towards the East?

Watts vs. volts amperes

Simple Pendulum Why Generalized Coordinate Always Angle?

How is it possible there are UV photos while our eyes cannot detect UV waves?

If we dropped an object into the Pacific Ocean, would it completely sink to the bottom of the ocean floor or not?

Weightlessness in Satellites

Does an object float more or less with more or less gravity?

Why can a red laser beam reflect in a blue surface?

What goes on inside a kettle if you can't get to it after the whistling begins?

Why should a moving piston generate pressure variation?

Why does a 60W bulb glow brighter than a 100W bulb in a series?

What is the function of this complicated tensioning system?

Question about buoyancy

Metallic coin over wooden block in glass of water

Why does friction cause a car to turn?

How jet engine works in vacuum

Why doesn't increasing resistance increase brightness if $P=I^2\cdot R$

Rollercoaster meets a bird. How to measure damage

How to get the UT1 directly? or How to get the UT1-UTC

Will space junk handle itself to an extent?

What exactly is "pressure", and what's its relation to force?

If force depends only on mass and acceleration, how come faster objects deal more damage?

Why is it easier to raise AC current to high voltage than DC?

Different degrees of freedom with RGB, CMYK and Frequency

Why do we see a blurred image when the screen is not placed at the position where the image is formed by a convex lens?

Why is the far point of human eye infinite?

Calculation of voltmeter reading

Why should a voltmeter have a higher resistance than of any circuit element across which the voltmeter is connected?

Understanding rocket problem intuitively