Q1. A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale?

Q2. A bullet of mass 5.0 g is fired horizontally into a 2.7 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.20. The bullet stops in the block that slides straight ahead for 1.2 m (without rotation).

What is the speed of the block immediately after bullet stops relative to it?

What is the tension in cables : A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the ro.. |

Government seeks counsel : Their government seeks counsel on the wisdom of a relative emphasis on health and health investment versus other forms of economic investment. |

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Marginal cost is zero to provide the rides : Assuming that the marginal cost is zero to provide the rides to those in attendance, what is the best pay-per-ride price |

What is the speed of the block : A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale. |

What is the magnitude of normal force : A small remote-control car with a mass of 1.60 kg moves at a constant speed of v = 14.0 m/s in a vertical circle inside the hollow metal cylinder that has the radius of 5.00 m. |

Marginal revenue functions : Write the total and marginal revenue functions. |

Calculating the wavelength and the speed of sound in air : Speedboat A negotiates a curve whose radius is 150 m. Speedboat B negotiates a curve whose radius is 190 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats. |

New equilibrium price : If supply at every price is reduced by five gallons, what will the new equilibrium price be. |

## Find the gauge pressure at the bottom of the tankA large tanker truck can carry 30 ton (30,000 lb) of liquid. (a) What volume of water can it carry? (b) What volume of gasoline can it carry. |

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## Calculate the period t and the tension in the string fCalculate the period T and the tension in the string F as a function of the angle. Compute the moment of inertia of this system for an axis that passes through the combined center of mass and is perpendicular to the plane of the rings. |

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