posted by steve steve steve steve steve steve steve steve

if A cross B =B cross A, then the angle between them is

  1. Steve

    well you know that

    AxB = -(BxA)
    So, if they are equal, they are zero.

    That means the angle is zero or 180. They are parallel.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Physics

    A place kicker must kick the football from a point 34.2 m from the goal and clear a bar 3.00 m above the ground. The ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0 degrees above the horizontal. (a) By how much …
  2. Physics

    2. We have two vectors that line in the x-y plane. If we take the cross-product of those two vectors we know that a. the magnitude of the cross-product will always be equal to the product of the magnitudes of the two vectors. b. the …
  3. Math

    There are four people that want to cross a bridge. Sam can cross in 1 minute, Joe can cross in 2, Jack can cross in 5, and Steve can cross in 10. They have one flashlight, and two can cross at a time, but they must go at the same pace. …
  4. calculus

    The cross-section of a drain is a trapezoid. The sides and the bottom of the trapezoid each have a length of 10 feet. Determine the angle θ such that the drain will have maximal cross-sectional area.
  5. physics

    Trevor can row a boat at 3.00 mi/hr in still water. He needs to cross a river that is 1.20 miles wide with a current flowing at 1.60 mi/h. Not having his calculator ready, he guesses to go straight across, he should head 60.0 degrees …
  6. maths magic

    There are A,B,C,D at one end of the bridge.they have to cross within 17 minutes.only 2 can cross the bridge at atime .since it is very dark one has to come back to show the light and its said that A can cross the bridge in 1 min ,B …
  7. Biology

    What is the result of a cross of a heterozygous curly winged fly to a straight-winged fly?
  8. Physics

    A man can swim at a speed of 3km/hr in still water. He wants to cross a 500m wide river flowing at 2km/hr. He keeps himself always at an angle of 120¬°√£with the water flow while swimming. Find (A) The time he takes to cross the river …
  9. Algebra

    Four people are on one side of a bridge. All of them need to cross a bridge in order to escape from a pack of zombies. They have 17 minutes before the zombies arrive and all four people must be on the other side of the bridge. It is …
  10. Vectors

    A boat is capable of 20 km/h in still water. You wish to cross the river downstream so that the angle the boat's push makes with the bank is 50 degrees. At what angle to the bank should the boat steer if the current is 8 km/h?

More Similar Questions