If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV, what is the resulting kinetic energy of each electron?

What torque is created by these muscles : The Achilles tendon inserts on the calcaneus at a distance of 8cm from the axis of the ankle joint. The force generated by the muscles attached to the Achilles tendon is 3000N, and the moment arm of this force is 5cm. a) Draw a free body diagram o.. |

What is the average velocity for the entire trip : A car travels a straight road at 130 km/h for 30min then at 50 km/h for 10min . It then reverses and goes at 80 km/h for 20min . What is the average velocity for the entire trip? What is the average speed for the entire trip? |

Determine the order quantity and reorder point : Item Cost - $7.00 Order Cost - $283.00 Annual Hold - 32% of item cost Annual Demand - 22,100 Average Demand - 442 per week Standard deviation of weekly demand 20 per week lead time - 1. |

What is the direction of the electric field : Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field m.. |

What is the resulting kinetic energy of each electron : If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV, what is the resulting kinetic energy of each electron? |

Calculate the annual capacity : Given the following data for Albert's fabricating production area: Fixed costs for one shift = $60,000 Unit variable cost = $7 Selling price = $12 Number of machines = 5 |

What laboratory energy be required to achieve same mass : An imaginary accelerator consists of colliding beams of electrons and protons, each of 2TeV total energy. What laboratory energy would be required to achieve the same center - of - mass energy if electrons collide with stationary protons? |

Computing confidence interval for population means : A researcher desires to estimate the difference in means of two populations. To accomplish this, she takes a random sample of 81 items from the first population. |

What is the distance between ball num 1 : There is a long smooth slope and we release balls from the top of it every 1.5 s. Suppose the acceleration of the ball is 4.8 m/s2 and every ball is numbered in the releasing order. |

## Determine the other force and write it in componentcompute the force exerted by the man, the work done by the man on the piano, the work done by the friction force, the work done by the force of gravity, and the net work done on the piano. |

## What potential difference must it be chargedA certain car battery with a 14.0 V emf has an initial charge of 195 A•h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of 184 W. |

## Horizontal distance from the press box to second baseA ladder 7.09 m long leans against the side of a building. If the ladder is inclined at an angle of 79.50° to the horizontal, what is the horizontal distance from the bottom of the ladder to the building. |

## Find out the mass of hypothetical spherical asteroidAn uncharged capacitor is connected to the terminals of a 4 battery, and 12 flows to the positive plate. The 4 battery is then disconnected and replaced with a 7 battery, with the positive and negative terminals connected in the same manner as bef.. |

## Establish its length as measured by a person on earthThe pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth. |

## How much ice add to obtain a final temperature of 31If she is served 200 of coffee at 84 in a well-insulated container, how much ice at 0 should she add to obtain a final temperature of 31. |

## The acceleration of the second rocketTwo identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket. |

## How far the fulcrum should an effort of 200 n be appliedA 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium. |

## Define the tangential speed of the ballThe rope makes an angle of 70° with respect to the vertical. What is the tangential speed of the ball. |

## The coin is stationary relative to the turntableA coin rests 14.60 cm from the center of turntable. The coefficient of static friction between the coin and turntable surface is 0.350. The turntable starts from rest at t = 0 and rotates with the constant angular acceleration of 0.8400 rad/s2. |

## How much energy is involved in the motionTwo people are holding up the ends of a 4.75-kg wooden board that is l = 2.00 m long. A m = 3.00-kg box sits on the board, 0.50 m from one end. What forces do the two people exert. |

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