A uniform bridge span weighs 50.0x103 N and is 40mlong. A car weighing 15.0 x103 N is parked withits center of gravity located 12m from the right pier. What upward force does the left pier supply?

## What is the ratio of this kinetic energyOne way to attack a satellite in Earth orbit is to launch a swarm of pellets in the same orbit as the satellite but in the opposite direction. Suppose a satellite in a circular orbit 360 km above Earth's surface collides with a pellet having mass .. |

## What is the wavelength of the second laserWhat is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ? |

## What is railroad cars final speedA flight attendant pulls her 61N flight bag a distance of 279m along a level airport floor at a constant velocity. The force she exerts is 41N at the angle of 50° above the horizontal. |

## Compute the ratio of the final charge on sphereConsider three identical metal spheres, A, B, and C. Sphere A carries a charge of +3q. Sphere B carries a charge of -q. compute the ratio of the final charge on sphere |

## What will be its kinetic energy when it hits the groundSuppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground |

## What total horizontal distance can this ball travelA ball is shot from level ground into the air. At a height of 9.1 m, its velocity is given by v=(7.6m/s) + (6.1m/s), What total horizontal distance can this ball travel |

## Compute the distance traveled before takeoffAn airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff |

## Find the work done by the force on the particleA force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. Find (a) the work done by the force on the particle and (b) the angle between F and r. |

## Find the reduction in emec of the frisbee-earth systemA 75 g Frisbee is thrown from a point 1.2 m above the ground with a speed of 14 m/s. find the reduction in Emec of the Frisbee-Earth system |

## What work does the racket do on the ballA tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 36.0 m/s in the opposite direction. (Assume the initial direction of the ball is in the -x di.. |

## Find the rms current in the circuitAn AC voltage of the form ?V = (85 V) sin (330 t) is applied to a series RLC circuit. If R = 42 ?, C = 29 µF, and L = 0.3 H, find the rms current in the circuit |

## Compute the deflection angle a from a distant starCompute the deflection angle a from a distant star that would, according to general relativity, by an observer on the moon as the light grazes the edge of the earth. |

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