You are in an elevator at the top of the CN tower. You have a pendulum and allow it to oscillate. The elevator falls to the ground after someone cuts its support cables. What does the pendulum do? Ignore the air resistance acting on the pendulum and the elevator. Help please!!! o:)
Mathematical Statistics~help please!!
:cry:
Please help me with these question...
Let S and Y be i.i.d positive random variables with E(X)<infinity.
Show that E(Y/S) is greater or equal to 1. Give an example where
E(Y/X)=positive infinitiy...
I have no Idea...
Please help me answer these questions~~~thank you~~
In October, 2004, the Canadian Light Source (CLS) was officially opened. This device is a synchrotron. It produces electromagnetic radiation that can be used to probe the structure of materials.
1. Explain how electric and magnetic fields...
Please help me answer these questions~~~thank you~~
In October, 2004, the Canadian Light Source (CLS) was officially opened. This device is a synchrotron. It produces electromagnetic radiation that can be used to probe the structure of materials.
1. Explain how electric and magnetic fields...
help pleeeese~~ (validity of f=ma, mass of diff.temp objects)
:cry: please help me~ desperate...
1. is f=ma valid in all situations? explain your reasons~
2. is the mass of a hot frying pan different from a cold frying pan? why?
thank you~~~