Baseball with mass equal to 130 grams with a velocity of 60 m/s. with what speed do the man and boat move after the man throws the ball? (16) an airplane moving at a speed of 675 m/s fires a projectile of mass equal to 430 kilograms. once launched the projectile receives a constant velocity of 1240 m/s. what is the mass of the airplane if it slows to 600 m/s as a result of the launch? (17)a car crashes into a wall at 25 m/s and is brought to rest in 0.1 seconds. the test dummy in the car contains a mass of 75 kg. what is the change in momentum experienced by the dummy? what is the average force exerted on a 75 kg test dummy by the seat belt? what is the average acceleration experienced by the dummy during the crash?