Recent content by High_Voltage

Homework Statement You arrive at the scene of an automobile accident and are asked to determine which, if any, of the cars was speeding. You immediately begin gathering information. The accident occurred on dry concrete and the tires of both cars are made of rubber. The coefficient of kinetic...

The fuse in my House continues to blow. The fuse rating is 20 amps. I can easily make the fuse so that it can't blow out but I know that might heat the wires in the wall if I draw too much current, and can cause an electrical fire. I am wondering, If I get a high grade durable power...

Homework Statement A radar station detects an aircraft (moving east to west) at 1200ft at 40degrees. 12 seconds later the plane is 2080 ft from the station and has advanced 123degrees find His displacement His average Velocity Homework Equations Dx=dx1 + dx2 Dy=dy1 + dy2 The...

I know that electrons want to flow to ground (earth ground) so I have a few questions: Is it only AC current that flows to ground(I ask this because I saw a video of a person with a Tesla coil on their car and the electricity was going to the ground)? If I put the -(negative) side of a 9V...

Homework Statement Graphically determine the resultant of the following three vector displacements: (1) 34m, 25 degrees north of east;(2) 48m, 33 degrees east of north; and (3) 22m, 56 degrees west of south. Homework Equations Vr=V1+V2+V3 x=mag x cos of angle y=mag x sin of angle...

Thank you, when you say ∆s=vit+.5at^2 do you mean d=vit+(1/2)at^2?

This is what I have so far 1.5t^2=2.5t^2-30t+90 is this right?

Homework Statement A car starts from rest and accelerates uniformly at 3.0 m/s^2 a second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5 m/s^2. How long does it take the second car to overtake the first car. Homework Equations d=vit+(1/2)at^2 I...

The guy uses the inverter to power a light bulb, would the 5vDC to 100vAC be able to power a television, or other electronic devices that require about 110v to 125v.

Homework Statement A car traveling 85km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.80m. What was the average acceleration of the driver during the collision? Express the answer in terms of "g's" where 1.00g = 9.81m/s^2. Homework...

Homework Statement A falling stone takes .28s to travel past a window 2.2m tall. How far above the window was it released Homework Equations vf=vi+at d=vit+(1/2)at^2 vf^2=vi^2+2ad The Attempt at a Solution vf^2=(6.5)+2(9.81 x 2.2) 2.2=(x)(.28s)+(1/2)(9.81)(.28^2)