Questions asked by Sanar A.

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• Two vector, 6 and 9 units long, from an angle of (a) 0°, (b) 60°, (c) 90°, (d) 150°, and (e) 180°. Find the magnitude and direction of their resultant with respect to the shorter vector?
  
• Find the angle between two vectors, 10 and 15 units long, when their resultant is (a) 20 units long and (b) 12 units long. Draw the appropriate figure?
  
• Two vectors from an angle of 110°. One of the vectors is 20 units long and makes an angle of 40° with the vector sum of the two. Find the magnitude of the second vector and of the vector sum?
  
• The resultant vector of two other vectors is 10 units long and forms an angle of 35° with one of the component vectors, which is 12 units long. Find the magnitude of the other vector and the angle between the two?
  
• Show that addition of vectors is commutative, i.e. A+B=B+A?
  
• Three vectors in a plane are, respectively, 6, 5, and 4 units long. The first and second form an angle 50°, while the second and third form an angle of 75°. Find the magnitude and direction of the resultant with respect to the larger vector?
  
• Two vectors from an angle of 110°. One of the vectors is 20 units long and makes an angle of 40° with the vector sum of the two. Find the magnitude of the second vector and of the vector sum?
  
• Which results in a larger attractive force on a single electron:+3C of charge1.0 m away,or +6c of charge 2 m away?Numerically justify your response?
  
• Two point charges with charges of #8.4xx10^-6# are brought close to each other. (a). Sketch this and show the direction of the electric force? (b) If the point charge on the left feels a force of #0.66N,# calculate the distance, #r,# between them?
  
• There is an attractive force 3.5N between two point charges.what will the force be if the distance is increased to 5 times its oeiginal value?
  
• Define magnatic field?
  
• What is defference betwen coil and resistor?
  
• Ples help me?????????
  
• Falling objects question?