Part A A force parallel to the x-axis acts on a particle moving along the c-axis. This force is associated with potential energy (x) given by U (x) = ax*. where a = 0.750 J/m". What is the magnitude of the force when the particle is at c = -0.800 m? Express your answer with the appropriate units. Templates Symbols Undo redo reset keyboard shortcuts help F = Value Units Submit Request Anewer Part B Complete previous part(s)Part A A small block with mass 0.0400 kg is moving in the cy-plane. The net force on the block is described by the potential-energy function U(x, y) = (5.80 J/m )27 - (3.85 J/ m jy . What is the magnitude of the acceleration of the block when it is at the point a = 0.21 m, y = 0.62 m? Express your answer with the appropriate units. Templates Symbols undo regio reset keyboard shortcuts Help Value Units Submit Request Answer Part B What is the direction of the acceleration of the block when it is at the point c = 0.21 m, y = 0.82 m? Express your answer in degrees. Templates Symbols undo redo reser keyboard shortcuts help "counterclockwise from the +I-axis Submit Request