The bases are loaded and a 0.53 kg baseball is flying towards you at POSITIVE 97.3 m/s. You swing...it connects! It's off to left field clocking in at NEGATIVE -50.0 m/s. What impulse did you apply to the ball?

In a system, when potential energy decreases, then entropy also decreases. true false

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.