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17 Questions

Views Newest Activity Votes

votes

answers

10k

views

How to measure the curvature of the space-time?

Apr 6 at 3:21 Mark H 14.5k

votes

answers

95k

views

Why does a ball bounce lower?

kinematics everyday-life spring

Nov 8 '14 at 18:17 Community♦ 1

votes

answers

views

Does the mass of a star change as it collapses into a black hole?

gravity forces black-holes newtonian-gravity density

Apr 11 '16 at 15:09 William Westbrook 1

votes

answer

27k

views

Final velocity of a spring [closed]

homework-and-exercises forces work spring

Oct 14 '14 at 17:17 physicus 3,112

votes

answer

views

Angular momentum of a black hole

black-holes angular-momentum

Nov 18 at 19:56 Jim Parry 1

votes

answers

views

Bouncing ball time problem

newtonian-mechanics energy free-fall

Jun 5 '14 at 8:58 Tom-Tom 1,736

votes

answers

161

views

Mass of a black hole

general-relativity black-holes mass

Apr 21 '14 at 22:03 Skineffect 21

votes

answers

867

views

Force of gravity in the event horizon [closed]

newtonian-mechanics gravity black-holes newtonian-gravity event-horizon

Apr 19 '14 at 21:34 Community♦ 1

vote

answer

views

Problem with formula for parabolic motus

homework-and-exercises kinematics projectile

Oct 19 '14 at 10:13 Peterix 817

vote

answer

182

views

Help with Special Relativity velocity addition formula

special-relativity speed-of-light reference-frames velocity conventions

May 29 '14 at 16:18 Community♦ 1

vote

answer

views

Help for orbits of planets

homework-and-exercises newtonian-mechanics forces newtonian-gravity orbital-motion

May 16 '14 at 18:20 fibonatic 5,468

vote

answers

182

views

Do I need to take weight of the rocket into account when calculating escape velocity?

newtonian-mechanics newtonian-gravity rocket-science escape-velocity

May 2 '14 at 21:52 Community♦ 1

vote

answer

views

Escape velocity problem

homework-and-exercises newtonian-mechanics gravity energy escape-velocity

Apr 30 '14 at 20:42 DWade64 1,082

votes

answers

views

Gravity force between two objects with different mass

newtonian-mechanics gravity forces newtonian-gravity

Mar 12 '15 at 3:29 Dennis P Ginther 1

votes

answer

519

views

Tangential velocity of a parabola

kinematics projectile homework-and-exercises

Oct 23 '14 at 20:05 Brionius 7,204

votes

answer

142

views

Question about pendulum

newtonian-mechanics forces kinematics oscillators weight

May 18 '14 at 12:45 Peterix 817

-1

votes

answer

views

Throwing an object in the air [closed]

homework-and-exercises newtonian-mechanics newtonian-gravity kinematics projectile

May 22 '14 at 20:57 Qmechanic♦ 117k

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17 Questions

How to measure the curvature of the space-time?

Why does a ball bounce lower?

Does the mass of a star change as it collapses into a black hole?

Final velocity of a spring [closed]

Angular momentum of a black hole

Bouncing ball time problem

Mass of a black hole

Force of gravity in the event horizon [closed]

Problem with formula for parabolic motus

Help with Special Relativity velocity addition formula

Help for orbits of planets

Do I need to take weight of the rocket into account when calculating escape velocity?

Escape velocity problem

Gravity force between two objects with different mass

Tangential velocity of a parabola

Question about pendulum

Throwing an object in the air [closed]