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An object is dropped from a platform 400 ft high. Ignoring wind resistance, how long will it take to reach the ground?
List out two gems/plugins which are extremely useful also what are their use?
hello.i have a homework in java wich asks to create this program:
there would be n persons who are going to rate songs.
for n persons we will ask their name,surname,sex and age.after this each person will rate(vote) with points the song we have given to them.there are 15 songs and they are constant.at the end pint the most 10 rated song...
thx :)
a bullet of mass 10g moving with a velocity of 500 m/s ,strikes a tree and goes out from the other side with a velocity of 400 m/s .calculate the work done by the bullet in passing through the tree.
this question is based on circular motion in a vertical plane:
The maximum value of acceleration that the human body can safely tolerate for short time intervals is nine times that due to gravity. Calculate the maximum speed with which a pilot could safely pull out of a circular dive of radius 4.00m . the answer: 88.5m/s
Please help me find a solution to this problem. Thank you so very much for your time and effort:)
I have a controller action which is taking 10 seconds to run. Most of the time is being spent in a view which is a large file.(more than 1500 lines). How shall I go about debugging the speed issue?
What's the deployment stack you use? Why?
A controller action is taking 10 seconds to run. Most of the time is being spent in a view which is a large file.(1000 lines). How will you go about debugging the speed issue?
What problems can arise when users hits the get_pdf action?If there are problems, how can it be solved?
class PdfController < ApplicationController
def get_pdf
send_data Pdf.create(params[:contents])
end
end
class Pdf
def self.create(contents)
make_pdf(contents) # takes 30 seconds to run
end
end
1/2m-3=5/6-2/3m
