A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -45cm. When wearing his glasses, he looks not at actual objects but at the virtual images of those objects formed by his glasses. Suppose he looks at a 10cm -long pencil held vertically 1.8m from his glasses.

Use ray tracing to determine the location of the image.

Design the circuit using mfb topology : determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2. |

Determine the angular velocity of the disk : A solid disk rotates in the horizontal plane at an angular velocity of 0.036 rad/s with respect to an axis perpendicular to the disk at its center, what is the angular velocity of the disk |

Determine the persons mass : A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible, What is the person's mass |

Find the component of the resultant force : Two forces, F? 1 and F? 2, act at a point. F? 1 has a magnitude of 8.20N and is directed at an angle of 62.0?, below the negative xaxis in the third quadrant What is the x component of the resultant force |

Use ray tracing to determine the location of the image : A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -45cm, Use ray tracing to determine the location of the image |

Describe how to calculate the sideband power-psb : If an AM signal has an un-modulated carrier voltage Vc=A volts(pk) and a load resistance RL of B ohms. How to calculate the Pc (Carrier Power) If the modulation index is known as m, how to calculate the Sideband Power (Psb) |

Explain what votage is required to electrolyze anhydrous hf : What minimum votage is required to electrolyze anhydrous HF. the H-F bond is so polar that liquid HF is essentially composed of H^+ and F^- ions. |

Determine the peak-to-peak output voltage-vpp : A certain sawtooth generator has the following parameter values: Vin: 3v, R: 4.7kohm, C:0.001uf. Determine its peak-to-peak output voltage if the period is 10 us. What is the Vpp |

What is the total cost of the 2 day reduction : Three activities are candidates for crashing on a project network for a large computer installation (all of course are critical). |

## How to determine the tension in the stringA 10.5 kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Determine the tension in the string. Hint: take torques about the corner and assume any length for the board. |

## How long does it take boat to make a round tripA boat moves through a river at 7-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 3.50m/s, how long does it take boat to make a round trip consisting of a 250 m displacement downstream followe.. |

## How fast the air flow over the upper surface of the winghow fast the air flow over the upper surface of the wing. What is the coefficient of kinetic friction between the box and the floor. |

## Determined by the wwv time signalFive clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table. |

## How to calculate the diameter of the circleTake the mass of the sun to be m_s = 1.99×1030 {rm kg}, gravitational constant to be G = 6.67×10-11 {rm N} cdot {rm m^2/kg^2}, and an acceleration due to gravity at the earth's surface to be g = 9.810 {rm m/s^2}. |

## At what speed is the flywheel spinningThe power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions. |

## Explain how can we lower the pitch of a note on a guitarA 12kg runaway grocery cart runs into a spring with spring constant 210 N/m and compresses it by 70 cm .What was the speed of the cart just before it hit the spring. |

## Compute the speed of the ball as it hits the groundThe driver of a 1800 {rm kg} car travelling on a horizontal road at 100 {rm km}/{rm h} suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the.. |

## What is the potential drop within the batteryWhat is the potential drop within the battery if the internal resistance is 4.3ohms and a current of 2.7 ampere is passed through it |

## What is the cars speed at the bottom of the dipThe passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 28 m radius of curvature, What is the car's speed at the bottom of the dip |

## What is angular width of the beamIf the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings. |

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