A 0.15 kg ball hits a wall with a velocity of (4.00 m/s) + (5.50 m/s) + (5.50 m/s) . It rebounds from the wall with a velocity of (2.00 m/s) + (3.50 m/s) + (-3.20 m/s) .

(a) What is the change in the ball's momentum?

(b) What is the impulse on the ball?

(c) What is the impulse on the wall?

What is the mass of the ion : A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. A magnetic field of B = 0.400 T then bends the ion into a circular path of radius 0.305 m. What is the mass of the ion? |

What is magnitude of the average force on supermans chest : It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 6 g bullets at the rate of 100 bullets/min, the speed of each bullet being 450 m/s. Suppose too that .. |

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What is the change in the balls momentum : A 0.15 kg ball hits a wall with a velocity of (4.00 m/s) + (5.50 m/s) + (5.50 m/s) . It rebounds from the wall with a velocity of (2.00 m/s) + (3.50 m/s) + (-3.20 m/s). What is the change in the ball's momentum? |

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Assuming no friction between the boat and the wate : In figure (a), a 4.2 kg dog stands on a 15 kg flatboat at distance D = 6.1 m from the shore. It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore. |

Magnitude of the magnetic force that acts on this wire : The x, y, and z components of a magnetic field are Bx = 0.12 T, By = 0.18 T, and Bz = 0.17 T. A 25 cm wire is oriented along the z axis and carries a current of 5.0 A. What is the magnitude of the magnetic force that acts on this wire? |

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