If an electron moves perpendicular to the same magnetic field with this same translational speed, what is the radius of its circular orbit?

What is the elastic modulu of this wire : a wire has a diameter fo .200mm and stretches .20% when a force of 6.28N is applied to it. what is the elastic (Young's) modulu of this wire |

Depict how to synthesize 2-methyl-2-pentene : Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents. Then show the reagents necessary to convert butyraldehyde into the following. There may be one more step |

Determine how many additional babies would be required : The intensity due to a number of different sources is the sum of the individual intensities. how many additional babies would be required |

Explain the calculation is based on the fact : The age of a rock can be estimated by measuring the amount of 40Ar trapped inside. The calculation is based on the fact that 40K decays to 40Ar by a first-order process. It also assumes that none of the 40Ar produced by the reaction has escaped fr.. |

Calculate what is the radius of its circular orbit : If an electron moves perpendicular to the same magnetic field with this same translational speed, what is the radius of its circular orbit |

Estimate what fraction of its kinetic energy is rotational : An 6.60-cm-diameter, 300 sphere is released from rest at the top of a 1.70-m-long, 20.0 incline. It rolls, without slipping, to the bottom. What fraction of its kinetic energy is rotational |

What color is the light reflected from the plate : A chain of movie theaters is decorated with light fixtures that when the white light passes through a transparent plate, it becomes yellow light. What color is the light reflected from the plate |

How much heat is received by the system : A 2-mol ideal gas system undergoes an adiabatic process where it expands and does 20 J of work on its environment. How much heat is received by the system |

Calculate what is the magnification of the mirror : The image behind a convex mirror (radius of curvature = 96 cm) is located 15 cm behind the mirror. What is the magnification of the mirror |

## What is its period of revolution in lunar monthsA satellite is put in a circular orbit about Earth with a radius equal to 50% of the radius of the Moon's orbit. What is its period of revolution in lunar months |

## Find out the magnitude of the electrical fieldA long straight metal wire of radius r1= 3.30E-2 m is bounded by a metalic cylindrical shell of inner radius r2= 1.39 E-1 m and outer radius r3= 1.84E-1 m. |

## At what rate will this refrigerator deliver heat to the roomThe coefficient of performance of a refrigerator is defined as the ratio of heat extracted from the refrigeration compartment to the work required to operate the refrigerator |

## What average force did the block exert on bulletThe 2.00 kg object below is released from rest at the height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 450 N/m. The object slides down the ramp and into the spring, compressing it a distance x b.. |

## What is the initial value of the angular velocityA child is pushing a merry-go-round. The angle through which the merry-go-round has turned varies with time according to ?(t)=?t+?t3, What is the initial value of the angular velocity |

## What is the current if the emf frequency is doubledThe peak current through an inductor is 11mA. What is the current if the emf frequency is doubled |

## How long will your friend be driving before he meets youYou are eating lunch at your favorite cafe and your friend calls and says he wants to meet you. He is calling from a city 175 miles away and wants to meet you somewhere between the two locations. how long will your friend be driving before he meets.. |

## Compute direction of the net force that acts on the sailboatA 315 kg sailboat has an acceleration of 0.72 m/s2 at an angle of 33° north of east. compute direction of the net force that acts on the sailboat |

## Determine the rotational energy of the systemTwo astronauts, each having a mass of 79.0 kg, are connected by a 10.5 m rope of negligible mass. Calculate the rotational energy of the system |

## What is the new temperature of the gasA quantity of an ideal gas is contained in a balloon. Initially the gas temperature is 27°C, What is the new temperature of the gas |

## Find the x component of the hummingbirds velocityA hummingbird is flying in such a way that it is initially moving vertically with a speed of 4.4 m/s and accelerating horizontally at 11.9 m/s2. Assume the bird's acceleration remains constant for the time interval of interest |

## Estimate the angle between the string and the verticalA mass of 6.70 kg is suspended from a 1.15 m long string. It revolves in a horizontal circle, Calculate the angle between the string and the vertical |

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