السؤال الاول : A point in the xy plane has Cartesian coordinates (-3.00, 3.00) m. Determine the polar coordinates
الاجابه
(c) r = 4.2, θ = -450.
السؤال الثاني : A point in a plane have polar coordinates (2.50 m, 30.0°). Determine the Cartesian
coordinates?
الاجابه
(a) (2.17, 1.25) m.
السؤال الثالث : The vector A has an x component of Ax = - 25.0 units and a y component of Ay = 40.0 units. Find the magnitude and direction of this vector.
الاجابه :
(b) A = 47.2 units, θ = -58.00.
السؤال الرابع : A has a magnitude of 35.0 units and points in the direction 325° counterclockwise from the positive x axis. Calculate the x and y components of this vector.
الاجابه
(b) x = 28.6 m, y = -20m.
السؤال الخامس : What is the y component of the vector m/s?
الاجابه
(c) 0 m/s.
السؤال السادس : A particle undergoes two consecutive displacements , the magnitude of the resultant displacement is:
الاجابه
(b) 10 cm.
السؤال السابع: particle undergoes three consecutive displacements, the magnitude of the resultant displacement is:
الاجابه
(a) 34.6 cm.