In a two dimensional motion, instantaneous speed v_(0) is a positive constant. Then which of the following are necessarily true ?

In a two dimensional motion, instantaneous speed v_(0) is a positive c

1.	In a two dimensional motion, instantaneous speed v_(0) is a positive constant. Then which of the following are necessarily true ?
Answer» The ACCELERATION of the PARTICLE is zero The acceleration of the particle is not zero The acceleration of the particle is necessarily in the plane of motion The particle must be UNDERGOING a uniform circular motion Answer :C