Difference between revisions of "Take Home Video"
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| + | ==VIDEO MUHASABAH== | ||
| + | |||
| + | [[File:MUHASABAH_ALES_DANIEL.mp4|500px]] | ||
| + | |||
==CODING SOAL A== | ==CODING SOAL A== | ||
| Line 14: | Line 18: | ||
u = eval(input("Koefisien gesekan = ")) | u = eval(input("Koefisien gesekan = ")) | ||
| + | |||
| + | a = eval(input('Percepatan= ')) | ||
alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian | alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian | ||
| Line 21: | Line 27: | ||
w = cos(alpha) | w = cos(alpha) | ||
| − | A = np.array([[1, 0, 0], [ | + | A = np.array([[1, 0, 0], [0, 1, 0], [0, 0, 1]], dtype='float') |
| − | b = np.array([(m1*g*(v-(u*w)), m2*g*(v-(u*w)), m3*g*(v-(u*w)))]) | + | b = np.array([(m1*g*(v-(u*w))-(m1*a), m2*g*(v-(u*w))-(m2*a), m3*g*(v-(u*w)))]) |
n = len(b) | n = len(b) | ||
| Line 36: | Line 42: | ||
b[k] = (b[k] - np.dot(A[k,k+1:n],b[k+1:n]))/A[k,k] | b[k] = (b[k] - np.dot(A[k,k+1:n],b[k+1:n]))/A[k,k] | ||
print(list(b[k])) | print(list(b[k])) | ||
| + | |||
| + | '''VIDEO SOAL A''' | ||
| + | |||
| + | [[File:CODING_A_ALESDANIEL.mp4|500px]] | ||
| + | |||
| + | |||
| + | ==CODING SOAL B== | ||
| + | |||
| + | from math import * | ||
| + | |||
| + | from sympy import * | ||
| + | |||
| + | g = 9.8 | ||
| + | |||
| + | rho = 1.2 | ||
| + | |||
| + | area = 1.5 | ||
| + | |||
| + | cd = eval(input('Koefisien hambat udara= ')) | ||
| + | |||
| + | u = eval(input('Koefisien hambat gesekan= ')) | ||
| + | |||
| + | m = eval(input('Massa kendaraan= ')) | ||
| + | |||
| + | a = eval(input('Percepatan yang diinginkan= ')) | ||
| + | |||
| + | v2 = eval(input('Kecepatan Akhir yang diinginkan= ')) | ||
| + | |||
| + | v1 = 0 | ||
| + | |||
| + | for v1 in range (0,v2): | ||
| + | fdrag = ((cd*area*rho*(v2**2))/2) | ||
| + | fz = (fdrag+(u*m*g))/m | ||
| + | atot = a-fz | ||
| + | |||
| + | t = v2/atot | ||
| + | |||
| + | s = v1*t+(0.5*atot*t**2) | ||
| + | |||
| + | print('Dengan kecepatan akhir', v2, 'm/s,', '\n','maka waktu yang ditempuh adalah', t, 's', '\n','dengan jarak', s, 'm') | ||
| + | |||
| + | '''VIDEO SOAL B''' | ||
| + | |||
| + | [[File:CODING_B_ALESDANIEL.mp4|500px]] | ||
Latest revision as of 22:18, 29 October 2019
VIDEO MUHASABAH
CODING SOAL A
import numpy as np
from math import *
g = 9.81
m1 = eval(input("Massa benda 1= "))
m2 = eval(input("Massa benda 2= "))
m3 = eval(input("Massa benda 3= "))
u = eval(input("Koefisien gesekan = "))
a = eval(input('Percepatan= '))
alpha = eval(input("Sudut yang diketahui = ")) #ubah derajat menjadi radian
v = sin(alpha)
w = cos(alpha)
A = np.array([[1, 0, 0], [0, 1, 0], [0, 0, 1]], dtype='float')
b = np.array([(m1*g*(v-(u*w))-(m1*a), m2*g*(v-(u*w))-(m2*a), m3*g*(v-(u*w)))])
n = len(b) for k in range(0,n-1):
for i in range (k+1,n):
if a[i,k] != 0.0:
lam = a[i,k]/a[k,k]
a[i,k+1:n] = a[i,k+1:n]-lam*a[k,k+1:n]
b[i] = b[i] - lam*b[k]
for k in range(n-1,-1,-1):
b[k] = (b[k] - np.dot(A[k,k+1:n],b[k+1:n]))/A[k,k]
print(list(b[k]))
VIDEO SOAL A
CODING SOAL B
from math import *
from sympy import *
g = 9.8
rho = 1.2
area = 1.5
cd = eval(input('Koefisien hambat udara= '))
u = eval(input('Koefisien hambat gesekan= '))
m = eval(input('Massa kendaraan= '))
a = eval(input('Percepatan yang diinginkan= '))
v2 = eval(input('Kecepatan Akhir yang diinginkan= '))
v1 = 0
for v1 in range (0,v2):
fdrag = ((cd*area*rho*(v2**2))/2) fz = (fdrag+(u*m*g))/m atot = a-fz
t = v2/atot
s = v1*t+(0.5*atot*t**2)
print('Dengan kecepatan akhir', v2, 'm/s,', '\n','maka waktu yang ditempuh adalah', t, 's', '\n','dengan jarak', s, 'm')
VIDEO SOAL B
