Q. A small, plastic sphere of mass m = 107 g is attached to a.

There is an electric field of 113N/C directed along the + x axis. If the string makes an angle 26 degrees with the y axis when the sphere is in stability, what is the charge on the sphere?

Q. When the temperature of a metal cylinder is raised from 0.0°C to 77 °C, its length increases by 0.19 percent? Find the percent change in density.

How fast is the cannonball going when it hits the balloon : The length of a string is 532cm. It is held fixed at each end. The string vibrates in seven sections; i.e. string has seven antinodes, and the string vibrates at 150 Hz. What is the wavelength. |

Explain two possible solution-fill in blank squares by words : The objective is to fill in blank squares using words from the list. Your task is to formulate problem as constraint satisfaction problem. Explain two possible solutions. |

How far does cab move while accelerating : When a surfer rides an ocean wave on her surfboard she is actually riding on. a. a crest that is toppling over. b. a trough of the wave. c. The rest position of the wave. d. A region of rarefaction. |

Explain some scientific research : Explain some differences between scientific research and some informal research that you have done |

Find the percent change in density : There is an electric field of 113N/C directed along the + x axis. If the string makes an angle 26 degrees with the y axis when the sphere is in stability, what is the charge on the sphere. |

Illustrate what is present value of that gold mine : Suppose you were provided a gift of a gold mine that generates $1,000 of net income every year, indefinitely. And suppose equilibrium rate of interest is 5 percent. Illustrate what is present value of that gold mine. |

What is the spring constant : A 4 kg model rocket is launched, expelling 40.00 g of burned fuel from its exhaust at a speed of 550m/s. What is the velocity of the rocket after fuel has burned? Hint: Ignore the external forces of gravity and air resistance. |

Illustrate what wage would a monopoly union demand : Illustrate what wage would a monopoly union demand Explain how many workers would be employed under union contract. |

Explain the avoidance strategy : Explain The avoidance postponement, strategy, hedging, speculation, control and transferring or sharing risk |

## Find the distance the massesYou are trying to advance your shooting skills by shooting at a can on top of a fence post. You miss the can, and the bullet, moving at 207 m/s, is embedded 1.54 cm into the post when it comes to a stop. If constant acceleration is assumed, how long .. |

## With what speed, in si unitsA disk of radius has a total charge uniformly distributed over its surface. The disk has negligible thickness and lies in the xy plane. What is the electric potential V (z) on z axis as a function of z, for z>0. |

## How much energy is transferred to the water as heatHow much energy is transferred to the water as heat |

## How to assume air resistance has no effect on the rockA dynamite blast at a quarry launches a rock straight upward, and 2.1s later it is rising at a rate of 14m/s. assuming air resistance has no effect on the rock, compute its speed. |

## Maximum height above the water the stone reachesAn archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower. |

## How far is your hometown from schoolIf both the ring and the rod are warmed together, what temperature must they both reach so that the ring barely slips over the rod. |

## Coefficient of kinetic friction between block and surfaceA 1300 {rm kg} car rolling on a horizontal surface has speed v = 64 km/h when it strikes a horizontal coiled spring and is brought to rest in the distance of 2.80 m. |

## What is the velocity of observer b relative to observer aWhat is the velocity of observer B relative to observer A . A diver shines a light up to surface of a flat glass-bottomed boat at an angle of 36 relative to the normal. |

## Find the angle that rod makes with the horizontalA uniform 1.3 kg rod that is 0.8 m long is suspended at rest from ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. |

## What is the increase in temperature of bulletIf you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km. |

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