V A block of 12 kg mass is at rest in a smooth hortzontal floor.
If a constant fores of 36N is applied on it
horizontally for 4 seconds. Find
a) The acceleration of the block.
b) The speed after 4 seconds
c) The work done in 4 seconds​

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.