User contributions for Mark Widmer

10:2010:20, 24 September 2022 diff hist −1,875‎ Special relativity ‎ →‎The pole-in-the-barn paradox: Removed content that is now in new article "pole-in-the-barn paradox"
10:1310:13, 24 September 2022 diff hist +2,637‎ Pole-in-the-barn paradox ‎ Added content formerly in "Special relativity" article. current
10:0810:08, 24 September 2022 diff hist +34‎ Pole-in-the-barn paradox ‎No edit summary
10:0510:05, 24 September 2022 diff hist +346‎ N Pole-in-the-barn paradox ‎ Created page.

19:0819:08, 19 September 2022 diff hist +303‎ Special relativity ‎ →‎The pole-in-the-barn paradox: Added image: Pole moving, barn's rest frame.
18:5818:58, 19 September 2022 diff hist +277‎ N File:SpecialRelativity PoleInBarn 2.png ‎ {{Image_Details|user-pd |description = Pole-in-the-barn paradox: Pole moving, barn rest frame. |author = ~~~ |date-created = 19 Sep. 2022 |pub-country = USA |notes = |versions = }} current

11:3111:31, 15 September 2022 diff hist +99‎ Special relativity ‎ →‎The pole-in-the-barn paradox: Added figure: Pole at rest, barn doors open
11:1611:16, 15 September 2022 diff hist +272‎ N File:SpecialRelativity PoleInBarn 1.png ‎ {{Image_Details|user-pd |description = Pole-in-the-barn paradox: Pole and barn both at rest. |author = ~~~ |date-created = 15 Sep. 2022 |pub-country = |notes = |versions = }} current

11:1211:12, 5 September 2022 diff hist +2,195‎ Special relativity ‎ New section: The pole-in-the-barn paradox

12:4312:43, 28 August 2022 diff hist +12‎ Temperature ‎ Clarified that it's average ***translational*** kinetic energy

15:1515:15, 15 August 2022 diff hist −25‎ m Energy (science) ‎No edit summary current
15:0915:09, 15 August 2022 diff hist +14‎ m Watt (unit) ‎No edit summary current
15:0515:05, 15 August 2022 diff hist +17‎ Power (physics) ‎ Fixed link to "energy" current

07:0507:05, 31 July 2022 diff hist −2‎ m Newton ‎ Grammar: Changed "which" to "that" (2 places)
07:0307:03, 31 July 2022 diff hist +28‎ Weight ‎ Fixed Earth and Jupiter links current

21:0321:03, 28 July 2022 diff hist +1,735‎ Weight ‎ →‎Apparent Weight: Defined in terms of scale reading. Added examples.
20:4120:41, 28 July 2022 diff hist +685‎ Weight ‎ New section: Apparent Weight

12:3212:32, 27 July 2022 diff hist +97‎ Weight ‎ →‎Units: Changing "pounds" to "pounds-force." Per NIST, the pound is a mass unit, not weight.

15:4915:49, 1 July 2022 diff hist +16‎ Mass ‎ F is net force in F=ma current
15:4515:45, 1 July 2022 diff hist +34‎ Mass ‎ Clarify inertial mass as resistance to acceleration rather than force.
15:4215:42, 1 July 2022 diff hist +187‎ Mass ‎ Clarify gravitational mass is what appears in gravitational force equation.

17:4417:44, 8 June 2022 diff hist +21‎ Rydberg constant ‎ →‎Background: Added subscript "e" to electron mass (consistency with intro) current
17:3417:34, 8 June 2022 diff hist +86‎ Dimorphos ‎ →‎Properties: Added orbital speed, corrected orbital radius.

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