A baseball is thrown from the roof of 23.1 -tall building with an initial velocity of magnitude 11.5 and directed at an angle of 52.0 above the horizontal. What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance. What is the answer for part (A) if the initial velocity is at an angle of 52.0 below the horizontal?

Evaluate the capacitance of the second capacitor : A capacitor is connected across the terminals of an ac generator that has a frequency of 430 Hz and supplies a voltage of 19 V. Find the capacitance of the second capacitor |

The earths nearly circular orbit around sun has diameter : The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun... How many revolutions does the e.. |

Determine how long is the board : A 7kg squirrel walks to the end of a 15 kg board resting on two saw horses. When the squirrel is at the 1m position away from the right end of board, How long is the board |

Magnitude of the acceleration due to gravity : An arrow is shot at an angle of theta=45 above the horizontal. The arrow hits a tree a horizontal distance D=220m away, at the same height above the ground as it was shot. Use g=9.8 m/s^2 for the magnitude of the acceleration due to gravity |

A baseball is thrown from the roof : A baseball is thrown from the roof of 23.1 -tall building with an initial velocity of magnitude 11.5 and directed at an angle of 52.0 above the horizontal. What is the speed of the ball just before it strikes the ground? Use energy methods and ignore.. |

What happens to the pressure at the bottom of the pool : The drawing shows a side view of a swimming pool. The pressure at the surface of the water is atmospheric pressure. What happens to the pressure at the bottom of the pool |

What is the magnitude and direction of net force on the toy : Two children fighting over a 2.0-kg toy pull on the toy in different directions. One child pulls to the north with a force of 6.3 N, and the other child pulls to the east with a force of 5.3 N. What is the magnitude and direction of the net force on .. |

Fraction of stars mass can be converted into thermal energy : Consider a star of mass M=10Msun, composed entirely of fully ionized C-12. Its core temperature is 6*10^8K. Suppose the star produces energy via the reaction C12 + C12 --> Mg24. the atomic weight of C12 is 12, and that of Mg24 is 23.985. What fractio.. |

What is the mean particle mass mbar in units of hydrogen : Consider a star of mass M=10Msun, composed entirely of fully ionized C-12. Its core temperature is 6*10^8K. a. What is the mean particle mass mbar in units of m(hydrogen)? |

## Find the magnitude of the resulting magnetic fieldA sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere. |

## Find the equivalent resistanceA resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners. |

## What is the electric field at the locationQuestion: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ? |

## What is the maximum displacement of the bridge deckWhat is the maximum displacement of the bridge deck? |

## What is the magnitude of the current in the wireWhat is the magnitude of the current in the wire as a function of time? |

## Introductory mechanics: dynamicsCalculate the smallest coefficient of static friction necessary for mass A to remain stationary. |

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