Q1. Assume a 6.0 g bullet travelling at 100 m/s strikes a bulletproof vest and comes to rest in about 600 microseconds. What average force would it impart to the happy wearer?

Q2. A 355 kg bear grasping a vertical tree slides down at constant velocity. What is the friction force that acts on the bear?

Q3. A small, 300 g cart is moving at 1.60 m/s on an air track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s.

Single mean by hypothesis test : Using the .10 level of significance, can we conclude that the assembly time using the new method is faster? |

Valuation of bond at applicable inflation rates : Valuation of Bond at applicable inflation rates and change in the risk free rates and what rate should you see for a three-year-maturity Treasury Bond in today's Wall Street Journal ? |

Discuss the capital budgeting : Discuss the Capital budgeting and what is the net present value of the costs of buying and operating the ambulance over its lifetime |

Marginal cost of one of the newspapers : Illustrate what is the marginal cost of one of the 50 newspapers folded also bagged by the fourth student. |

What is the friction force that acts on the bear : A small, 300 g cart is moving at 1.60 m/s on an air track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. |

Finding mean-variance by creating probability distribution : Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret results in context of real life situation. |

Difference in the mean number : At the .05 significance level, is there a difference in the mean number of calls per day between the two employees? |

Should country record on the bond retirement : Computation of loss and gain on retirement of bonds - Country reacquired all of these bonds at 96 on June 30, 2007, and retired them. Ignoring income taxes, how much gain/loss should country record on the bond retirement? |

Application of heckscher : Which country is capital abundant according to the Heckscher-Ohlin theorem? Given your answer to (a), draw the PPF for Canada. Also draw the indifference curve and the relative price line for the no-trade equilibrium. |

## How fast will the electron be movingA horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places. |

## Compute average magnetic flux through turn of inner solenoidCompute average magnetic flux through turn of inner solenoid |

## What minimum coefficient of kinetic frictionFind out the object position p for the image to be erect and 7 times the size of the object. Focal length is 46 cm. |

## How much ice add to obtain a final temperature of 31If she is served 200 of coffee at 84 in a well-insulated container, how much ice at 0 should she add to obtain a final temperature of 31. |

## How fast does it move after the bullet emergesThe pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be. |

## Find the distance between the train and the musicianSuppose a train engineer is climbing a vertical ladder at a speed of 0.2m/s while the train is slowly coasting east at 0.70 m/s. Find out the vector of the engineer relative to the ground in rectangular notation. |

## The distance from the central maximum of the diffractionMonochromatic light from a distant source is incident on a slit 0.750 {rm mm} wide. On a screen 2.00 {rm m} away, the distance from the central maximum of the diffraction pattern to the first least amount is measured to be 1.35 {rm mm}. |

## When does the shoe reach groundAn object whose weight is 100 Ibf experiences a decrease in kinetic energy of 500 ft. Ibf and an increase in potential energy of 1600 ft. Ibf. The initial velocity and elevation of the object, each relative to surface of the earth, are 50 ft/s and 40.. |

## What is the focal length of this mirrorWhat is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance. |

## How much time elapses between first splash and second splashHow much time elapses between first splash and second splash |

## What direction is white dot on the sensor pointingWhat direction is white dot on the sensor pointing |

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