Homework Statement
A hot-air balloon is ascending at the rate of 10 m/s at a height of 84 m above the ground when a package is dropped.
Find time it took to hit the ground
Find Final velocity
Homework Equations
The Attempt at a Solution
Initially, I am inclined to use the equation Yf =...
Homework Statement
Convert 83km/hr to m/s^2
Homework Equations
Simple I know...but I still can't figure it out
The Attempt at a Solution
83km/hr(10^3m/km)(1hr/60min)(1min/60sec)
The units cancel however leaving me with m/s not with m/s^2.
The seconds^2 is what I cannot figure...
Homework Statement
Write the net ionic equation for the following reactions:
1). Excess 6 M HNO2 is added to 1 M Na2CO3. Na2CO3 displays 2eq/mol
2). Nitric Acid is added to Zinc metal. The products are nitrogen monoxide and zinc ion.
Homework Equations
NA
The Attempt at...
Hey guys
I heard an interesting segment on NPR today regarding a mathematician that received the Abel prize for his work in explaining and proving "the existence of exotic seven-dimensional spheres".
http://www.npr.org/2011/03/24/134832727/American-Mathematician-Wins-Abel-Prize
Any...
For me, I concentrated on having a solid foundation in Algebra and Trigonometry. With that, calculus so far has been a breeze.
Know your identities, inverses, how to complete the square, radicals, multiplying by conjugate etc.
"When am I EVER going to need to use this?" is a phrase that unfortunately I have heard way too many times.
This statement is dead on. It might be an American thing where its cool to have the ability to shotgun a beer rather than doing multivariate calculus...
Hello PF users:
First off, I would like to say how excited I am to be part of the PF community. I just wanted to make a brief introduction of myself to 'break the ice'.
I am a 19 year old student aspiring to become a Mechanical Engineer. I love learning how things work and how to...