a proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?

Nation mathematics assessment test : A random sample of 77 eighth grade students' scores on a nation mathematics assessment test has a mean score of 278 with a standard deviation of 31. |

Calculate potential energy of the compressed spring : A spring has a spring constant = 40 N/m. It is compressed by a distance 10 cm. The mass of the cart is 300 grams. The angle of incline of the track is 20º. |

Create study on bioecological model of human development : Create a comprehensive study on The Bioecological Model of Human Development. Bioecological Model of Human Development has four basic systems. |

Identify the type of bias or error : A randomized controlled trial was implemented to assess whether a human papillomavirus (HPV) vaccine prevents pre-cursors of cervical cancer in women between the ages of 15 and 25 years. |

What is the ratio of the radii of their circular paths : a proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths? |

Opportunities to cross safely by the time : Imagine there are exactly m opportunities to cross safely by the time the nth shock occurs. What is the probability that the mth opportunity is a close call (that it occurs immediately before the nth shock). |

Expected number of bulbs : A certain type of lightbulb has an average life of 500 hours with a standard deviation of 100 hours. The length of life of the bulb can be closely approximated by a normal curve. |

Determine the magnitude and direction of the current : a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wi.. |

Estimate the optimal order quantity : Flextora Inc sells a product called SKU561. This is a seasonal product and only sold in the spring. Seasonal demand is normally distributed with mean 10,000 and standard deviation 1,000. |

## How tall is the top of castle wallKing Arthur's knights fire cannon from the top of the castle wall. The cannonball is fired at a speed of 60 m/s and an angle of 33. A cannonball that was accidentally dropped from the top of the castle wall hit the moat below in 1.80s. |

## Compute the total distance that the mass has fallenCompute the total distance that the mass has fallen. |

## How long is the open-closed pipeAn open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe. |

## What speed must she have at point 3A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2. |

## What was the final temperature of the coinsWhat was the final temperature of the coins. What is the train's acceleration after its wheel begins to stick. |

## What will be the maximum allowable speed on interstateA bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing block to then swing. |

## How much charge is on each plateexplain how much charge is on each plate. What is the work done by the field on the electron. |

## What is magnitude and sign if net force on is zeroA 500 g block slides along a frictionless surface at a speed of 0.35m/s .it runs into a horizontal mass less spring with spring constant 50N/m that extends outward from a wall. |

## Locate the image of the lightbulbAn 18 g rifle bullet travelling 210 m/s buries itself in a 3.6 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of pendulum's displacement. |

## What is the net forceAt one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s. |

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