Acatcher catches a 145 g baseball traveling horizontally at 32.0 m/s. part apart complete how large an impulse does the ball give to the catcher? express your answer in kilogram-meters per second. pp = 4.64 kg⋅m/s submitprevious answers correct part b if it takes the ball 20 s to stop once it is in contact with the catcher's glove, what average force did the ball exert on the catcher? express your answer in newtons.

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?