true false The speed of a particle is always positive.

Question

True False The average speed of a particle is equal to the magnitude of its average velocity.
True False The acceleration of a particle can be non-zero when its speed is constant.
True False When the average velocity of a particle is zero, its average speed is also equal to zero.
True False The velocity of an object can reverse direction when its acceleration is constant.
True False When the acceleration of a particle is zero, its average speed is equal to the magnitude of its average velocity.
True False The speed of a particle with a positive acceleration is always increasing.

Answer 1

They all look true to me.