Yeah, it's an issue with my math. I have not taken math in high school since the original September 11th, so you can guess my age...
What is the operation called apart from quadratic equation. I have to figure this stuff out from square one. Thank you for the help.
Homework Statement
A ball is thrown upwards at 20 m/s at an angle of 15 degrees to ground.
How long until the ball touches the ground?
Givens for vertical:
Acceleration = -9.8m/s2
v1= 5.2 m/s (20SIN15)
v2=0
displacement=0
t=?
Givens for horizontal
Acceleration= 19.3 m/s (20COS15)...
Lincoln Cathedral?
You mean the big red "tombstone" or "buzzbox" as they are colloquially known?
The specs on that are comparable to the thunderbolt.
Both sound like they contain a mechanical particle accelerator of some sort :)
The Miller is infinitely adjustable and the Lincoln is tapped at...
Hi guys.
Thirty year old tradesman from Toronto, Ontario.
I'm currently doing my grade 11 university physics as a requirement of my electrical apprenticeship.
I found it difficult going back to school with teenagers, there were not many older students in the night school...
I'm a welder by...
Hi guys and gals.
I have a constant current welder. 150 Amps DC/ 230 Amps AC output.
There is no provision for measuring output current when the machine is welding.
I'm thinking of adding a shunt to either the work lead or the return lead.
I don't know what size and rating I need.
The input...