Q. A projectile is fired straight upward at 141 m/a. how fast is it moving at the instant it reaches the top of its trajectory? Assume in its place that it was fired upward at 45. What would be its speed at the top of its trajectory?

What effect did price reduction have on quantity of computer : Use supply and demand analysis to explain price reduction of computers. What effect did price reduction have on quantity of computers demanded. |

Standard analog-to-digital sampling rate in synchronous time : Iif synchronous time division multiplexing is used, along with standard analog-to-digital sampling rate, and each sample is converted into 8-bit value? |

What is the tension in cable on counterweight side of pulley : A 2.25×10^4 elevator is to be accelerated upward by connecting it to a counterweight using a light (but strong!) cable passing over a solid uniform disk-shaped pulley. There is no appreciable friction at the axle of the pulley, other than its mass.. |

Determine nation frictional unemployment rate : Assume that nation has a labor force of 100 people. In January, Amy, Barbara, Carine, and Denise are unemployed, in February, those four find jobs, but Evan, Francesco, George, and Horatio become unemployed. |

What would be the speed at the top of its trajectory : A projectile is fired straight upward at 141 m/a. how fast is it moving at the instant it reaches the top of its trajectory? Assume in its place that it was fired upward at 45. What would be its speed at the top of its trajectory. |

Write down pseudo code to find sentinel value : The total of both types have to be printed at end. Suppose 50 as sentinel value. Write down Pseudo Code to perform this function. |

Explain what type of research is involved in putting : Explain What type of research is involved in putting together this type of PR campaign and What strategies could one use to get a policy like this adopted and implemented |

Production possibilities : If gross investment is not large enough to replace capital that depreciates in particular year, is net investment greater or less than zero? What happens to our production possibilities? |

What is the size of gravitational force that the moon exerts : The mass of the Moon is 7.35 × 10^22 kg, whereas that of Earth is 5.98 × 10^24 kg. The average distance from the center of the Moon to the center of Earth is 384,400 km. |

## Calculate the mass of the planet from this informationIf 20 grams of hot water at 80 C is poured into a cavity in a very large block of ice at 0 C, what will be the final temperature of the water in the cavity? How much ice should melt in order to cool the hot water down to this temperature. |

## What is the farmers estimation of yield in bushelsA farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that the bushel contains abou.. |

## Determine the angleAn uncharged spherical conducting shell surrounds a point charge - q at its centre. Then a charge +3q is placed on the outside surface of shell. |

## What is an electric flux through the cubeA particle of charge +1.5 nC is placed at a corner of a Gaussian cube with sides 12.0cm. What is an electric flux through the cube. |

## Assume the net horizontal forceHow several meters away is a cliff if an echo is heard 0.587 s after the original sound? Assume that sound traveled at 343 m/s on that day. |

## Use the concepts of impulse and momentumA rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long.. |

## How much ice is melted as a result of the collisionIf a 37.2N horizontal force must be applied to slide a 15.8kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces. |

## Suppose a horse pullson a rope with a force of 7800 nA crate of 48.0 tools rests on a horizontal floor. You exert the gradually increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 344. After that you must reduce your push to 260 to keep it moving at .. |

## Find out the radius of the second sphereA 50g ball travelling at 25m/s is bounced off a brick wall and rebounds at 22m/s. A high speed camera records this event. If the ball is in contact with the wall for 3.5ms, what is the average acceleration of the ball throughout this time interval.. |

## What is the magnitude of the acceleration of rockA dolphin in seawater at a temperature of 25 °C emits a sound wave directed toward the ocean floor 246 m below. How much time passes before it hears an echo? (The speed of sound in ocean water is 1533 m/s.) |

## What speed will put car on the verge of slidingFour identical particles each have charge q and mass m. They are free from rest at the vertices of a square of side L. How fast is each charge moving when their distance from center of the square doubles. |

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