An astronaut who is repairing the outside of her spaceship accidently pushes away a 98.9-cm-long steel rod, which flies off at 10.5 m/s, never to be seen again. As it happens, the rod is oriented perpendicularly to the magnetic field in that region of space and moves perpendicularly to its length. The magnetic field strength there is 6.93 mT. What is the magnitude of the EMF, in millivolts, induced between the ends of the rod?

How much energy was lost in the collision : A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) How much energy was lost in the collision? (b) Calculate the average force exerted on .. |

Find the X coordinate of Xcm of the center of mass : There is a system of three particles which have masses of M, 2M, and 3M as indicated M------2m------3m [----L----][----L----] find the X coordinate of Xcm of the center of mass. Assume that the particle M is at the origin and the positive x axis is d.. |

Determine radial velocity of ring as it reaches moving end : A ring is fitted loosely (with no friction) around a long, smooth rod of length L = 0.561 m. The rod is fixed at one end, and the other end is spun in a horizontal circle at a constant angular velocity of ? = 3.57 rad/s. The ring has zero radial velo.. |

What is the work done by the force of gravity : A 255 kg piano slides 4.2 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36). The effective coefficient of kinetic friction is 0.40 Figure 6-36 |

What is the magnitude of the EMF in millivolts : An astronaut who is repairing the outside of her spaceship accidently pushes away a 98.9-cm-long steel rod, which flies off at 10.5 m/s, never to be seen again. As it happens, the rod is oriented perpendicularly to the magnetic field in that region o.. |

Find the work done by the dogs after pulling the sled : A 100 kg sled is slid across a smooth ice field by a group of four dogs tied to the sled pulling with a 350 N force along a rope at an angle of 20 degrees above the horizontal. (a) If the sled travels at a constant speed, find the drag force on the s.. |

What is the magnitude and direction of the velocity of m2 : A cart of mass m1 = 0.500 kg moves with a velocity of 0.900 m/s to the right on a frictionless track. It collides with another cart of mass m2 = 0.500 kg at rest. Car m1 stops and m2 moves in the direction that m1 was traveling. What is the magnitude.. |

Values appropriate for the earth''s magnetic field : Assume the magnitude of the magnetic field outside a sphere of radius R is B = B0(R/r)^2, where B0 is a constant. (a) Determine the total energy stored in the magnetic field outside the sphere. (b) Evaluate your result from part (a) for B0 = 5e-5 T a.. |

Charge on the capacitor and the current in the circuit : An LC circuit like the one in Figure CQ32.8 contains an 82.0 mH inductor and a 17.0 micro Farad capacitor that initially carries a 180 micro Coulomb charge. The switch is open for t |

## Obtain the buoyant force acting on the balloonA large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon |

## What is the reading of the scale on which the person standsA 65- person stands on a scale in a moving elevator while holding a 5.0 mass suspended from a massless spring with spring constant 1.10. What is the reading of the scale on which the person stands |

## How high above the road is the trucks bumperA rock falls off the back bumper of a truck which is traveling at 26.8 m/s. The rock hits the ground 0.387 seconds after it leaves the bumper. How high above the road is the trucks bumper |

## Find the focal length of a correctly prescribed contact lensAn eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens |

## How far from the base of the rock wills she landAt one instant a bicyclist is 28.0 m due east of a park's flagpole, going due south with a speed of 11.0 m/s. Then 24.0 s later, the cyclist is 26.0 m due north of the flagpole, going due east with a speed of 11.0 m/s. For the cyclist in this 24.0 s .. |

## What is the final angular speed of a tireA car accelerates uniformly from rest and reaches a speed of 22.1 m/s in 8.97 s. What is the final angular speed of a tire in revolutions per second |

## Calculate the electric potential at point aThe three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 1.60 cm). Taking q = 8.20 µC, calculate the electric potential at point A |

## Calculate the number of times a hummingbirds heart beatsAssume a typical hummingbird has a lifespan of 4.0 years and an average heart rate of 1300 beats per minute. (a) Calculate the number of times a hummingbird's heart beats in its life, and express it in scientific notation. |

## What was the angular acceleration of the grinding wheelA grinding wheel is spinning at a rate of 20.0 revolutions per second. What was the angular acceleration of the grinding wheel as it came to rest |

## Estimate what is its total kinetic energya 10 kg hollow cylindrical shell rolls on the ground at a linear velocity of 5m/s. its diameter is 50 cm. what is its total kinetic energy |

## Illustrate the basic environments in which business operatesIllustrate the basic environments (legal, social, economic) in which a business operates. You are encouraged to use the library for additional sources to support your description. Remember to use APA format for in-text citations and aligned refer.. |

## What is the enlargement in the internal energy of the gasWhat is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees. |

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