Questions tagged [physics]
For challenges pertaining to problems in the field of Physics.
39 questions
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Simulate the Universe!
One nice property of a Turing-complete language is that it can be used to write any program, up to and including the simulation of the entire Universe.
Your job is to do exactly that: write a program ...
- 8,143
46
votes
19
answers
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Lever Simulator 2015
Why a Simulator?
Kids these days don't have the time nor the ambition to actually go and stack boxes on the see-saw or play around with balancing physical objects. This leaves lots of room in the ...
- 1,881
40
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13
answers
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Recreate Minecraft's lighting
Minecraft has a fairly unique lighting system. Each block's light value is either one less than the brightest one surrounding it, or it is a light source itself. Your task is to write a method that ...
- 691
39
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16
answers
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Will I tip over?
Overview
Given a 3 line string, figure out if the structure falls to the left, balances, or falls to the right.
Input structure
You can imagine the structure as metal rod with stuff on top, all being ...
- 1,075
37
votes
35
answers
5k
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Draw the arc of a ball
Draw the parabolic trajectory of a thrown ball.
The input is the ball's initial upward velocity, a positive integer v. Every second, the ball moves ...
- 150k
36
votes
2
answers
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Will the tower balance?
Introduction
Given an ASCII tower and the force of the wind, write a program or function to determine if the tower will balance or which way it will fall.
For example the first tower balances but ...
- 2,715
32
votes
9
answers
4k
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Balance a set of weights on a seesaw
Balancing Act
Overview
Given an input of 3 single-digit positive integers representing a set of weights, output an ASCII representation of a seesaw with the weights placed on it so that it is in ...
- 1,677
32
votes
4
answers
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Volts, Amps, Watts and Ohms: given two, calculate the other two
Ohm's law tells us that the current (I) in amps flowing through a resistance (R) in Ohms when a voltage (V) is applied across it is given as follows:
V = I / R
...
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29
votes
8
answers
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Billiard balls collision
Given the 2-dimensional positions and velocities of a pair of billiard balls right before impact, calculate their velocities after a perfectly elastic collision. The balls are assumed to be ideal ...
- 15.6k
24
votes
22
answers
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Can this list be balanced?
To check whether a list of non-negative integers is balanced, one can imagine putting respective weights on a board and then try to balance the board on a pivot such that the summarized relative ...
- 26.4k
22
votes
48
answers
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Parallel resistance in electric circuits
Introduction:
Two resistors, R1 and R2, in parallel (denoted R1 || R2) have a combined ...
- 46.8k
22
votes
14
answers
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Elastic collisions between blocks
The 3Blue1Brown Youtube channel released a video a year ago called "Why do colliding blocks compute pi?" which describes a model where a block A of mass \$a\$ ...
- 8,165
22
votes
3
answers
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Name the Hadrons
Challenge
Given a quark composition of a particle as input, output the corresponding hadron's name.
Quarks will be represented by a capital letter and antiquarks by a lowercase letter.
The quarks ...
- 23.6k
21
votes
7
answers
774
views
Electrostatic potential of a simple system
In physics, like electric charges repel, and unlike charges attract.
The potential energy between two unit charges separated by a distance d is ...
- 21.7k
20
votes
13
answers
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Convert Planck unit to SI metric
Objective
Given a dimension of an SI unit, convert the Lorentz-Heaviside version of a Planck unit \$1\$ into SI metric.
What is a Planck unit?
Planck units are a set of units of measurement. It ...
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