Q. A 220 air-track glider is attached to a spring. The glider is pushed in 8.2 and released. A student with a stopwatch finds that 10 oscillations take 16.0. What is the spring constant?

Q. An object is on a frictionless inclined plane. The plane is inclined at an angle of 24.9 degrees with the horizontal. Using the accerlation due gravity from your reference table. What is the magnitude of object's acceleration?

Calculate molarity of a pottassium chloride solution : Calculate molarity of a KCl solution prepared by dissolving 0.525 moles of Kcl in 250. mL of water. |

How can an infection that spreads from the frontal : some individuals with severe sinus infection can lose their sense of smell. how can an infection that spreads from the frontal or maxillary sinus impair the sense of smell? what structure or structures might be affected? |

Relationship between exponents and logarithms : What is the relationship between exponents and logarithms? How would you distinguish between the two, using both a graph and a sequence? |

The easiest way to avoid plagiarism : the easiest way to avoid plagiarism is simply to reword a passge into your own voice and cite the source |

Illustrate what is the magnitude of object acceleration : The plane is inclined at an angle of 24.9 degrees with the horizontal. Using the accerlation due gravity from your reference table. Illustrate what is the magnitude of object's acceleration? |

Compute probability density function : The radius of the hole and the radius of the shaft. Let the random variable X denote the clearance, in millimeters. The probability density function of X is? |

Explain the average number of customers at the tax service : What is the average number of customers at the tax service, whether waiting for the tax preparer or having the return prepared? |

What simple strategy might the cell adopt : Suppose an aqueous cellular protein has a "patch" of mostly hydrophobic residues on one portion of its surface. What simple strategy might the cell adopt to prevent these hydrophobic residues from being exposed to the solvent? Assume that changing.. |

Evaluating two alternatives to raise net income : Company reports the following operating results for the month of August: Sales $350,000 (units 5,000); variable costs $210,000; and fixed costs $90,000. Management is considering the following independent courses of action to increase net income. |

## How long does it take light incident perpendicular to glassA 5.6 cm -thick layer of oil (n =1.46) is sandwiched between a 1.5 cm -thick sheet of glass and a 2.0 cm -thick sheet of polystyrene plastic (n = 1.59.) How long (in ns) does it take light incident perpendicular to the glass to pass through this 9.. |

## Find the speed of the command module relative to earthThe mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after separation? |

## Determine the range of heights of the blockA stone thrown upward from the top of a 100ft cliff at 150ft/s eventually falls to the beach below. (For this problem take the acceleration because of gravity to be -32 ft/s^2; take upwards to be a positive direction.) How long does it take the st.. |

## How far is she from the support pointA box is put on a slide to move it from one part of a factory to another the slide is at an angle of 20 degrees below the horizontal the coefficient of friction between the box and slide is 0.352 what is the acceleration of the box. |

## Find the maximum angle between string and verticalA pendulum consists of a 4.98kg mass on the end of a 0.873 m string. The mass is pulled aside so the string makes an initial angle with the vertical of 12.5o. The mass is then released with initial speed of 2.10m/s upward and perpendicular to the rop.. |

## Find the magnitude of book velocityFind the magnitude of book's velocity, just before the book reaches the floor. Find the direction of book's velocity, just before the book reaches the floor. |

## What is the magnitude of the negative point chargeWhat is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero? |

## How long does it take the train to stopA banked circular highway curve is designed for traffic moving at 85 km/h. The radius of the curve is 158 m. Traffic is moving along highway at 48 km/h on the rainy day. What is the minimum coefficient of friction between tires and road that would al.. |

## What is the longest wavelength of lightA uniform ladder 15 ft long is leaning against a frictionless wall at an angle of 56° above the horizontal. The weight of the ladder is 35 pounds. A 77 lb boy climbs 6.0 ft up the ladder. What is the magnitude of the friction force exerted on the lad.. |

## What is the orientation angle of the second polarizerCompute the distance of two point's p1 and p2 in the x-y plane with the following Cartesian coordinates: p1= (-5m, +8m), p2= (+3m, +2m). Draw the position vectors into appropriate-points. |

## What is the frequency of the waveA cannon tilted upward at = 33 fires the cannonball with a speed of 99. At that instant, what is the component of the cannonball's velocity parallel to the ground. |

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