Jerry and Sarah file a joint tax return and their modified adjusted gross income is $325,000. The interest, dividend, and capital gainincome are $1,025, $2,610, and $20,000, respectively. Sarah was active in a stock that she sold for a $5,000 gain and Jerry’s wageswere $215,000. Based on the information provided, what is the NIIT on this joint return?

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(a).       State the law of conservation of linear momentum.                                                                          (1.5 points) (b).         A railroad diesel engine weighs four times as much as a 30,000 kg freight car. If the diesel engine coasts at 50 km/h and collides head-on with the freight car             going at 75 km/h.  What is the magnitude and direction of their common velocity (in km/h) after the collision assuming they latched together.                            (3.0 points)                                                                                       

    What is the velocity of a 1 000.0 kg car if its kinetic energy is 200 kJ?

(a).   A pitcher throws a 0.61 kg baseball horizontally with a speed of 25 m/s, the ball hits a wall and bounces straight back with a speed of 25 m/s. (i).         What is the impulse (change in momentum) of the baseball?                                                          (2.0 points) (ii).         If the ball is in contact with the wall for 0.04 s, what is the magnitude of the average force of the ball on the wall?        (1.5 points)                                                                                                                                        (b).         How much work is done in bringing a 0.03 kg from rest to 25 m/s?                                               (2.0 points)                                                                                          

A lab assistant applied a force of 120.0 N on a lab bench for 2.0 min, but the bench did not move, what force was responsible for the lab bench not moving?                     

(a).       State the law of conservation of linear momentum.                                                                          (1.5 points) (b).         A railroad diesel engine weighs four times as much as a 30,000 kg freight car. If the diesel engine coasts at 50 km/h and collides head-on with the freight car             going at 75 km/h.  What is the magnitude and direction of their common velocity (in km/h) after the collision assuming they latched together.                            (3.0 points)                                                                                       

    What is the velocity of a 1 000.0 kg car if its kinetic energy is 200 kJ?

A lab assistant applied a force of 120.0 N on a lab bench for 2.0 min, but the bench did not move, what force was responsible for the lab bench not moving?                     

(a).   A pitcher throws a 0.61 kg baseball horizontally with a speed of 25 m/s, the ball hits a wall and bounces straight back with a speed of 25 m/s. (i).         What is the impulse (change in momentum) of the baseball?                                                          (2.0 points) (ii).         If the ball is in contact with the wall for 0.04 s, what is the magnitude of the average force of the ball on the wall?        (1.5 points)                                                                                                                                        (b).         How much work is done in bringing a 0.03 kg from rest to 25 m/s?                                               (2.0 points)