Question

is it possible that object is moving in constant speed but has acceleration motion​

Answer 1

Yes that's possible.. Changing direction would give you acceleration though your speed is constant

Answer 2

Explanation:

yes yes body can definitely have acceleration if it is moving with constant speed as speed is a scalar quantity or quality direction of moving does not affect it but acceleration is a vector quantity as it is the rate of change of velocity will it is itself vector quality.