In a 2-dimensional Cartesian coordinate system the y-component of a given vector is equal to that vector's magnitude multiplied by which trigonometric function, with respect to the angle between vector and y-axis?
A taxicab moves five blocks due north, five blocks due east, and another two blocks due north.Assume all blocks are of equal size.What is the magnitude of the taxi's displacement, start to finish?
The following force vectors act on an object: i) 50.0 newtons at 45.0 north of east and ii) 25.0 newtons at 30.0 south of east.Which of the following represents the magnitude of the resultant and its angle relative to the easterly direction?
A car is initially moving at 20 m/s east and a little while later it is moving at 10 m/s north.Which of the following best describes the orientation of the average acceleration during this time interval?
In a 2-dimensional Cartesian coordinate system the x-component of a given vector is equal to that vector's magnitude multiplied by which trigonometric function, with respect to the angle between vector and x-axis?
An object moves at a constant velocity of 11 m/s to the southwest for an interval of 20 s.Halfway through this interval, what is the magnitude of its instantaneous velocity?
In a 2-dimensional Cartesian system, the x-component of a vector is known, and the angle between vector and x-axis is known.Which operation is used to calculate the magnitude of the vector? (taken with respect to the x-component)
An object, initially moving in the negative x-direction, is subjected to a change in velocity in the positive y-direction.If the resulting velocity vector is drawn from the origin, into which quadrant does this vector point?