User user4951

23 votes

9 answers

3k views

Are force vectors members of a vector space?

asked Mar 25, 2020 at 13:22

14 votes

1 answer

3k views

How can Wi-Fi bend through windows or penetrate walls? [duplicate]

asked Apr 13, 2017 at 14:30

3 votes

1 answer

212 views

What does it mean that Bruno can hit $6\,\rm{kN}$?

asked Oct 1, 2013 at 15:23

2 votes

1 answer

150 views

Why most physical objects in earth/universe doesn't allow visible light to go through?

asked Apr 13, 2017 at 19:04

2 votes

3 answers

487 views

Does using thinner glasses have any effect on how the eye look?

asked Feb 7, 2023 at 14:34

1 vote

2 answers

198 views

Is gravitational mass always the same with inertia mass?

asked Apr 1, 2023 at 3:21

1 vote

1 answer

87 views

How can China put artificial moon if they're not in equator?

asked Dec 27, 2018 at 14:45

0 votes

1 answer

74 views

Is polarization charge real?

asked Mar 25, 2020 at 13:16

0 votes

1 answer

94 views

Are there better derivation for space contraction?

asked Mar 11, 2018 at 18:21

0 votes

1 answer

291 views

Why no body shoot machine guns at 45 degrees? [closed]

asked Sep 28, 2016 at 2:34

0 votes

1 answer

207 views

Say we're driving a bike and suddenly hold the brakes?

asked May 28, 2012 at 5:15

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11 Questions

Are force vectors members of a vector space?

How can Wi-Fi bend through windows or penetrate walls? [duplicate]

What does it mean that Bruno can hit $6\,\rm{kN}$?

Why most physical objects in earth/universe doesn't allow visible light to go through?

Does using thinner glasses have any effect on how the eye look?

Is gravitational mass always the same with inertia mass?

How can China put artificial moon if they're not in equator?

Is polarization charge real?

Are there better derivation for space contraction?

Why no body shoot machine guns at 45 degrees? [closed]

Say we're driving a bike and suddenly hold the brakes?