Consider a tennis ball that is hit by a player at the baseline with a horizontal velocity of 50 m/s (about 110 mi/h). The ball travels as a projectile to the player's opponent on the opposite baseline, 24 m away, and makes 30 complete revolutions during this time. What is the ball's angular velocity?

rad/s

Calculate the average linear acceleration of a tire : A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 38 s. If the tires have a radius of 28 cm, calculate the average linear acceleration of a tire |

Write the flow of execution of application : Write the flow of execution of application step by step and briefly explain the functionality of each function being called (like the first step would be to instantiate Frame and then instantiate Panel and place it into the Frame). |

Compute the activation energy for the reaction : The rate constant (K) for a reaction was measured as a function of temperature. A plot of ln K versus 1/T (in K) is linear and has a slope of -9.50×10^3 K. Calculate the activation energy for the reaction. |

Explain how much slag are produced by a modern blast furnace : How many tons of slag are produced by a modern blast furnace using 2.55×104 of limestone,. Assume that slag is pure calcium silicate () and that all reactions go to completion. |

Determine what is the balls angular velocity : Consider a tennis ball that is hit by a player at the baseline with a horizontal velocity of 50 m/s (about 110 mi/h). What is the ball's angular velocity |

Explain the chemical formula of salt : State the chemical formula of salt and classify the bond as ionic, polar covalent or non covalent |

What is the magnitude of the angular acceleration of pulley : A uniform, cylindrical pulley of mass M=12.7 kg and radius R=0.636 m rotates freely about a fixed horizontal axis. What is the magnitude of the angular acceleration of the pulley |

State how to synthesize 2-methyl-2-pentene from alkyl halide : Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other reagents. Show the products that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide catalyst |

Compute what is the focal length of the lens : A single convex lens projects a focused image of an object onto a screen. If the lens is 15 cm from the object and and 36 cm from the screen, what is the focal length of the lens |

## 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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