Q1. You're driving down the highway late one night at 20 ;{rm m/s} when a deer steps onto the road 35;{rm m} in front of you. Your reaction time before stepping on the brakes is 0.50 ;{rm s}, and the maximum deceleration of your car is 10;{rm m}/{rm s}^{2}.

Q2. The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.

What is the strength of the perpendicular magnetic field : Drag race tires in contact with an asphalt surface have an extremely high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimation the coefficient of static friction needed for a drag racer to cover 1.0 km.. |

What focal length is necessary for the lens : An electron librated from a hot filament cathode is attracted by an anode with a potential of 1200V positive with respect to the filament. Compute the speed of the electron when it strikes anode. |

What is the intensity at the distance of 4.8 m : A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149. |

What is the radius of the track : Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track. |

Find out the weight and the angle needed : The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast. |

The total mass inside a sphere of radius r : A submarine dives 90.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of submarine's displacement? (Imagine that upward and the direction of the submarine's horizontal motion is positive.) |

Increase or decrease in the money supply : Increase or decrease in the money supply increase the price level to the tolerable range |

Find j, the magnitude of the impulse exerted by the ground : A piston, A, as shown below, has a diameter of 0.81 cm. A second piston, B has a diameter of 3.9 cm. conclude the force, F, necessary to support the 508.0 N weights in the absence of friction. |

Market price of the bond : Suppose the interest rate lowered to 3.75%. What would be the market price of the bond. |

## 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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