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1. ### A 42mT magnetic field points due west. If a proton of KE 9X10E-12 J enters this field in an upward direction,?

Recall that the Lorentz force on a point charge is given by F=qv x ...direction you need to use the right hand rule. Thumb points in the direction of positive current, fingers point...

1 Answers · Science & Mathematics · 28/07/2010

2. ### An electric field of 420000 N/C points due west at a certain spot. What is the magnitude of the force that act?

...example if the question is "An electric field of 420000 N/C points due west at a certain spot. What is the magnitude of the force that acts...

1 Answers · Science & Mathematics · 21/09/2013

3. ### What is the direction of the force on an electron moving south in a magnetic field that points west?

... in the direction of the motion (velocity) with the field lines pointing out of your palm, then your thumb will give the direction of the ...

1 Answers · Science & Mathematics · 06/08/2009

4. ### A car is driven 115 km west and then 75 km southwest. What is the displacement of the car from the point of?

...m going to ignore the 115km right now and try to resolve the 75 km into how far west and how far south. Let's have a stright forward right angled triangle...

2 Answers · Science & Mathematics · 23/07/2012

5. ### A plane has to fly north but a wind is blowing from south-west? what direction should it point to reach its?

The correct answer to the first question is something West of North. To know the exact direction, you need the wind-speed relative to...

4 Answers · Science & Mathematics · 24/10/2006

6. ### 4 vectors of the same magnitude are added; 1 pointing east, 1 west, 1 south, & 1 north. resultant magnitude?

..........asnwer is (a) 0 becuz going east adn then going west gets you nowhere and same for going north adn south........if vectors...

5 Answers · Science & Mathematics · 03/07/2011

7. ### A car is driven 200 km west and then 80 km southwest. What is the displacement of the car from the point of o

... can try and describe what it will look like: The car travels due west for 200km. On your paper draw a horizontal line from point A to point B which is to the left of A. Mark off...

5 Answers · Science & Mathematics · 14/02/2008

8. ### A car is driven 125 km west and then 80 km southwest. What is the displacement of the car from the point of...?

...the cosine rule. Drawing out the vectors (first draw a line 125km west, then attach a line 80km to the end of it at an angle of (180-45=)135degrees). You...

2 Answers · Science & Mathematics · 12/01/2009

9. ### a ship leaves point p then sails 285km at 40 degrees north of west.?

... ship has gone 285 . sin 40 km North and 285 . cos 40 West To get to 115 km East the ship must go 285 . sin 40 South...

2 Answers · Science & Mathematics · 08/07/2011

10. ### Because of an electric field, a positive charge +q experiences a force of magnitude F that points due west. Th?

...2q E The force has doubled in magnitude, and now points east instead of west.

1 Answers · Science & Mathematics · 19/07/2010