A grade school student plans to build a 34-power telescope as a science fair project. She starts with a magnifying glass with a focal length of 4.9cm as the eyepiece. What focal length is needed for her objective lens in meters?

Does it pay to search for the best available investment bank : Does it pay to search for the best available investment bank or should a firm stay loyal to a given investment bank? Explain? |

What is the energy of an individual photon : A digital cell phone emits a 1.9 GHz electromagnetic wave with total power 0.60 W. At a cell phone tower 2.0 km away: What is the energy of an individual photon |

Explain what are the formal charges on all of the atoms : What are the formal charges on all of the atoms in question 7. How many resonance structures are there |

What price would you expect rylan''s stock to sell : if the current price of rylan stock is $32.63 and rylan's equity cost of capital is 14%. what price would you expect rylan's stock to sell for at the end of the four years? |

What focal length is needed for her objective lens : A grade school student plans to build a 34-power telescope as a science fair project. What focal length is needed for her objective lens |

Determine the friction angle and shear strength : Normal load at failure was 93.8N with a maximum shear load of 38.7N. Find stresses on the failure plane, sketch a graph showing these on the shear stress and normal stress axes. Find the friction angle and shear strength. |

Explain how many dozens of silver atoms are in the piece : Suppose a piece of silver jewelry contains 6.53×1022 atoms of silver (Ag). How many dozens of silver atoms are in the piece of jewelry. Express your answer numerically in dozens. |

What price would you expect coolibah stock to sell : If the current price of Coolibah stock is $22.40, and Coolibah's equity cost of capital is 16%, what price would you expect Coolibah's stock to sell for at the end of three years? |

Determine the mass of the air : An apartment has a living room whose dimensions are 2.8 m x 5.1 m x 5.6 m. what is the mass (in grams) of the air |

## Illustrate what is the coefficient of static frictionIllustrate what is the coefficient of static friction between the chair and the floor? What is the coefficient of kinetic friction between the chair and the floor? |

## What is the direction of the force that the unknown chargeWhat is the direction of the force that the unknown charge exerts on the charge of magnitude 0.580uC? |

## Determine the mans upward accelerationTo hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration |

## What is the tension in one of the strings6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other |

## What is the total impedance in the circuitAn RLC circuit has a resistor (R=175 ohms), a capacitor (C=4.78 microFarads) and an inductor (L=32.1mH). The frequency of the current is 652 Hz. What is the total impedance in the circuit |

## Find the mechanical energy lost from the ropeA (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table |

## Determine the magnitude and direction of the resultantA crate with a mass of 171.5 kg is suspended from the end of a uniform boom with a mass of 80.3 kg. The upper end of the boom is supported by a cable attached to the wall and the lower end by a pivot (marked X) on the same wall. compute the tensio.. |

## What is the least speed the blockWhat is the least speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track |

## What is the magnitude of the charge on each spherewhat is the magnitude of the charge on each sphere. A car crashes into a wall at 45 m/s and is brought to rest in 0.1 s. compute the average force exerted on a 80 kg test dummy by the seat belt. |

## Find out the magnitude of the average force on the floorWhat is the final temperature when .032kg of milk at 11C is added to .16 kg of coffee at 91C. suppose the specific heat capactieis of the two liquids are the same as water, and disregard any energy transfer to the liquid's surroundings. |

## What speed must the rod haveThe light bulb in the circuit has a resistance of 11 ohms and consumes 6.7 W of power as the 1.25 m long, What speed must the rod have if the current in the circuit is to be 0.65 A |

## What is the force applied to the handleA 20kg suitcase is being pulled with constant speed by a handle that is at an angle of 22degrees above the horizontal. what is the force F applied to the handle |

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