Q1. The height of a helicopter above the ground is given by h = 3.05 t3, where h is in meters and t is in seconds. At t = 2.40 s, helicopter releases a small mailbag. How long after its release does the mailbag reach the ground?

Q2. A 27 pound meteorite struck a car, leaving a dent 26cm deep in the trunk. If the meteorite struck the car with a speed of 620m/s, what was the magnitude of its deceleration, assuming it to be constant?

Where does he land on incline : A world class sprinter accelerates to his maximum speed in 3.80 s. He then maintains this speed for the remainder of a 100 m race, finishing with a total time of 10.30 s. What is the runner's average acceleration throughout the first 3.80 s. |

Normal distribution with mean and standard deviation : What is the probability that the drug will be effective for 2 hours or less? |

Inherent constitutional authority : Was the US-Canadian agreement valid under the US Constitution? Was the president acting under his inherent constitutional authority, under power delegated from Congress, or neither? What did Congress say the president could do to restrict agricult.. |

Find whether or not to support the claim : Using one proportion z test to find whether or not to support the claim - There is little evidence to reject H 0 , therefore they conclude the tvs are 20 pounds on average. |

How long after its release does the mailbag reach : A 27 pound meteorite struck a car, leaving a dent 26cm deep in the trunk. If the meteorite struck the car with a speed of 620m/s, what was the magnitude of its deceleration, assuming it to be constant. |

Case study of pacific express : Pacific Express began operating as an airline in 1982. It had routes connecting western cities with Los Angeles and San Francisco and by the summer of 1983 was beginning to show a profit. |

Linear relationships into a single multiple regression : Computing a linear regression equation to predict the future values of the dependent variable Y - Linear relationships into a single multiple regression. |

Molecules between bubble and the surrounding water : The intersection is 15 m wide. Her car's maximum deceleration is -6.8m/s2, whereas it can accelerate from 43km/h to 70km/h in 8.1 s. Overlook length of her car and her reaction time. |

What is the direction of the displacement : An explorer in dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45 north of east, then 81 steps at an angle 60 north of west, then 51 steps due south. Suppose his steps all have equal length. Save him from becoming .. |

## What is the speed of the resulting ball of clayA cockroach of mass m lies on the rim of a uniform disk of mass 7.00 m that can rotate freely about its center like the merry-go-round. At first the cockroach and disk rotate together with an angular velocity of 0.220 rad/s. Then the cockroach walks .. |

## Find out the net electric fieldTwo charges are placed on the x axis. One of the charges (q1 = +6.95C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find out the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b.. |

## What is the change in its linear momentumA new circus act is called the Texas Tumblers. Lovely Mary Belle swings from a trapeze, projects herself at an angle of 53, and is supposed to be caught by Joe Bob, whose hands are 6.10 above and 8.02 horizontally from her launch point. You can ignor.. |

## What is the entropy change of the gasAn electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate. |

## Find out an internal resistance of the batteryThe linear impulse delivered by the hit of a boxer is 248 N • s during the 0.373 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? React in units of N |

## How far does the box travel along the inclineThe tape is now wound back into the drum at angular rate. With what speed would the end of the tape move? (Note that our drawing specifies that a positive derivative of implies motion away from the drum. Be careful with your signs. The fact that the .. |

## Molecules angular speed about the center of massThe molecule has a rotational kinetic energy that is of the translational kinetic energy of its center of mass. What then is molecule's angular speed about the center of mass. |

## Find time it takes kathy to overtake stanAn airplane is flying with a velocity of 93at an angle of 25 above the horizontal. When the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. |

## Find out an average forces exerted on carHow various kilograms of nitrogen are boiled away in time of 7.50 h. car that hits a line of water barrels and takes 1.8s to stop. |

## Find out the mass of an electronAssume that ABC Firm has an optimal capital structure; comprised of debt, preferred stock and common equity. In this scenario, Firm currently has 48 percent debt, 4 percent preferred stock and 57 percent common equity in its capital structure. |

## What is the magnification of an imageA dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image. |

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