All Questions
4
questions
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Two balls are dropped from the same height. Ball A is metallic and B, made up of an insulating material. Which of them touches ground first? [closed]
General motion under gravity states that both of them reach the ground simultaneously. But here, ball B reaches first. I searched for the solution but couldn't find any. Does it have anything to do ...
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1
vote
0
answers
102
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Parametric equation for a weird trajectory in affect of gravity and magnetic field [closed]
This is a question from Bangladesh Physics Olympiad:
Draw the trajectory of the charge $+q$ .Necessary informations are given in the figure. $B$ is the magnetic
field.
What I want to know is ...
- 1,228
9
votes
5
answers
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Is gravity non-negligible compared to the electromagnetic force?
Consider two electrons approaching each other at rather fast speeds, maybe even coming close to colliding. Does gravity play any role in this event? If so, how much influence does it have? Do we need ...
0
votes
3
answers
148
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Traveling to Mars in 24 Days
I am trying to calculate an electromagnetic rail launch from the Moon but I need to know if humans can survive the launch. Please see the specs below.
150 miles of track
Proposed final launch speed ...
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