The magnetic force acting on a wire that is perpendicular to a 3.7 T uniform magnetic field is 6.4 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field? Answer in units of m.

What was the speed of the lighter car just after collision : When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. In one such accident, a 1850car traveling to the right at 1.40 collides with a 1400 car going to the left at 1.10 .. |

Find the photon energies for the three longest wavelengths : Find the photon energies for the three longest wavelengths in the Balmer series for the hydrogen atom. (Enter your answers from smallest to largest.) Calculate the three wavelengths. |

What is the magnitude of the component of the magnetic field : The magnetic force on a straight 0.31 m segment of wire carrying a current of 4.5 A is 1.5 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire? Answer in units of T. |

Proton traveling to right along x-axis enters a region : A proton traveling to the right along the x-axis enters a region where there is a magnetic field of magnitude 3.7 T directed upward along the y-axis. The charge on a proton is 1.60×10?19. If the proton experiences a force of 3.6 × 10?12 N, find its s.. |

What is the length of the wire that is inside magnetic field : The magnetic force acting on a wire that is perpendicular to a 3.7 T uniform magnetic field is 6.4 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field? Answer in units of m. |

Loop detector-increases downward component of manetic field : A truck drives onto a loop detector and increases the downward component of the magnetic field within the loop from 1.2 x 10^- 5 T to the larger value B in 0.38 s. The detector is circular, has a radius of 0.67 m, and consists of three loops of wi.. |

What is final temperature of water-recall from thermodynamic : Recall from thermodynamics that if an object of mass m absorbs an amount of energy Q, its temperature will increase according to Q=mc(Tfinal-Tinitial), where c is th specific heat of the material. |

An electron traversing a resistor in an electronic circuit : An electron traversing a resistor in an electronic circuit has no more kinetic energy when it exits the resistor than it had when it entered the resistor; however, this electron certainly has lost electrical potential energy. Explain this paradox |

What is the escape speed on a spherical asteroid : What is the escape speed on a spherical asteroid whose radius is 510 km and whose gravitational acceleration at the surface is 3.3 m/s2? How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 1000 m/s? .. |

## Compute the largest speed at which cars can move on trackOn a banked race track, the smallest circular path on which cars can move has a radius of 106 m, compute the largest speed at which cars can move on this track without relying on friction |

## Estimate the initial speed of the rockA 0.26- rock is thrown vertically upward from the top of a cliff that is 32m high. When it hits the ground at the base of the cliff, find the initial speed of the rock |

## Find the ratio of their speeds immediately afterwardTwo people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Find the ratio of their speeds immediately afterward |

## What do the upward slopes representA plot of the temperature versus the energy per kg added to a piece of ice as it goes from below freezing at - 10Â°C to becoming steam at 110Â°C consists of straight lines, What do the upward slopes represent |

## What is the corresponding value of force for larger sphereTwo uniform solid spheres have the same mass of 2.15 kg, but one has a radius of 0.213 m while the other has a radius of 0.867 m. What is the corresponding value of F for the larger sphere |

## Find the area of each patch(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch. |

## Calculate how long is the pipeA standing wave in a pipe with both ends open has a frequency of 206. Hz. The next higher harmonic has a frequency of 309. Hz. How long is the pipe |

## What was the takeoff speed for such a leapThe froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0 above the horizontal, some of the tiny critters have reached a maximum height of 52.7 above the level ground. What was the takeoff speed.. |

## Q1 at an amusement park you went on a ride thatq1. at an amusement park you went on a ride that malfunctioned. what was the angular displacement of the ride after |

## What is the maximum energy that can be storedA certain parallel-plate capacitor is filled with a dielectric for which ? = 5.91. What is the maximum energy that can be stored in the capacitor |

## What volume of the wood is above the surfacea block of wood has specific gravity 0.79. When placed in water, what percent of the volume of the wood is under the surface. And what volume of the wood is above the surface |

## Find the heat added to the gas during the expansionAn ideal gas initially at 20°C and 219 kPa has a volume of 4.70 L. It undergoes a quasi-static,, Find the heat added to the gas during the expansion. |

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