A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. The father speeds up by 1.0 m/s and then has the same kinetic energy as the son.

(a) What is the original speed of the father?

m/s

(b) What is the original speed of the son?

m/s

What quantity of ice melts : A 2.94g aluminum bullet at 31.0°C is fired at a speed of 236 m/s into a large block of ice at 0°C, in which it embeds itself. What quantity of ice melts |

What is the factor of safety in the brick column : What is the stress and strain in a 2 meter high, .025 m diameter brick column that supports a mass of 100000 kg? What is the factor of safety in the brick column |

Calculate the specific gravity of a liquid : Calculate the specific gravity of a liquid given the following information: m = 51.50 ± 0.05 grams, mA = 32.00 ± 0.05 grams,mL = 42.50 ± 0.05 grams |

Explain the molecular mass of the unknown : The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.100 g of an unknown compound to 2.50 g of water results in a decrease in the melting point of 2.3 deg C. What is the molecular mass of the unknown |

Find the original speed of the son : A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. What is the original speed of the son |

How many kilograms of water are put on the fire : A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. How many kilograms of water are put on the fire in 30 minutes |

Explain enthalpy and entropy are not temperature dependent : Above what temperature, in °C, will the following reaction become spontaneous? Assume free energy, enthalpy, and entropy are not temperature dependent. |

By what factor does the stored energy change : A capacitor consists of two concentric conducting spherical shells with radii R1 and R2 = 4.0R1. It has capacitance C = 4.0 pF, and is charged to a potential difference of 60.0 V. by what factor does the stored energy change |

How much force must be applied to the piston : A cylinder with a cross-sectional area of 9.8 cm2 is fitted with a movable piston. How much force must be applied to the piston to maintain it in its new position |

## What is the boat speed later when the gust subsidesA sailboat is traveling east at 5.0 m/s . A sudden gust of wind gives the boat an acceleration a = (0.80 m/s^2 , 40 degrees north of east). A)What is the boat's speed 4.5s later when the gust subsides? B)What is the boat's direction 4.5s later whe.. |

## Determine the average power of the circuitA series RLC circuit has a peak current of 1.0 A with a frequency of 54 kHz. If the resistance of the circuit is 51 k??, determine the average power of the circuit |

## How fast should a car move towardHow fast should a car move toward. A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's moment.. |

## Calculate the change in internal energy of the systemA cylinder which is in a horizontal position contains an unknown noble gas at 4.63 × 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system |

## Find the coefficient of friction between penny and recordA penny sits 20 cm from the axis on an old record, which is spinning at 45 rpm. find the coefficient of friction between the penny and the record |

## Where is the new waterline mark located on hull of the boatAn empty boat is placed in a freshwater lake and a mark is painted on the hull at the waterline, a line corresponding to the surface of the water when the vessel is floating upright, where is the new waterline mark located on hull of the boat |

## Find the height of the treeA city employee wanted to measure the height of a tall tree. The employee stood 9.50 m from the base of the tree; and he saw that his line of sight made an angle of 65.2 degrees above the horizon, |

## Illustrate what is the magnitude of object accelerationThe plane is inclined at an angle of 24.9 degrees with the horizontal. Using the accerlation due gravity from your reference table. Illustrate what is the magnitude of object's acceleration? |

## Find the current of a loop given a straight wireUsing Lorentz Law: You are given a charge moving between two parallel plates. Find the current (I) of a loop given a straight wire |

## Find the voltage of the electrical power system in factoryA machine in the factory needs 38 V to operate. The power in the factory is different from that, what is the voltage of the electrical power system in the factory |

## What is the ball speed immediately after the collisionwhat is the ball's speed immediately after the collision? |

## Determine the specific heat of copper from given dataThe temperature of a copper bar rises by 10.0°C when it absorbs 2.03 kJ of energy by heat. The mass of the bar is 525 g |

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd