A particle has mass 20 g moving in (elllic sc) counterclockwise uniform circular motion about the origin of an xy coordinate system, It takes the particle 10 s to complete one full cycle. At one instant, its position vector (measured from the origin) is r= 4 i+3 J. At that instant, what is the 5 * ?? (velocity vector (in m/s v = 1.2 i + 1.8 J v = -1.2 i + 1.8 JO v = 1.8 i + 1.2 JO v = -1.8 i + 1.2 JO v = -1.8 i-1.2 JO v = 1.2 i - 1.8 J v = 1.8 i - 1.2JO
A particle has mass 20 g moving in (elllic sc) counterclockwise uniform circular motion about the origin of an xy coordinate system, It takes the particle 10 s to complete one full cycle. At one instant, its position vector (measured from the origin) is r= 4 i+3 J. At that instant, what is the 5 * ?? (velocity vector (in m/s v = 1.2 i + 1.8 J v = -1.2 i + 1.8 JO v = 1.8 i + 1.2 JO v = -1.8 i + 1.2 JO v = -1.8 i-1.2 JO v = 1.2 i - 1.8 J v = 1.8 i - 1.2JO
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Transcribed Image Text:A particle has mass 20 g moving
counterclo ckwise )عکس عقارب الساعه( in
uniform circular motion about the origin of an
xy coordinate system, It takes the particle 10
s to complete one full cycle. At one instant, its
position vector (measured from the origin) is
r= 4 i+ 3 J. At that instant, what is the
5 * ?? (velocity vector (in m/s
v = 1.2 i + 1.8 J O
v = -1.2 i + 1.8 JO
v = 1.8 i + 1.2JO
v = -1.8 i + 1.2 J O
v = -1.8 i-1.2 J O
v = 1.2 i - 1.8 J
كلية العلوم
v = 1.8 i - 1.2 J O
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