A particle moves along a horizontal circle with constant speed. If 'a' is its acceleration and 'E' is its kinetic energy (A) a is constant (B) E is constant (C ) a is variable (D ) E is variable

A particle moves along a horizontal circle with constant speed. If 'a'

1.	A particle moves along a horizontal circle with constant speed. If 'a' is its acceleration and 'E' is its kinetic energy (A) a is constant (B) E is constant (C ) a is variable (D ) E is variable
Answer» A and B are correct C and D are correct A and D are correct B and C are correct Answer :D