A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel? Assume that the acceleration is constant.

What is the mark-up and what is the marginal cost : The price of a good to be sold by a Monopoly is $0.50. The market has an elasticity of demand (n) of 5. a. What is the mark-up and what is the Marginal cost b. What would this look like for a perfectly competitive market |

Find initial equilibrium price and quantity in the market : After few years, cost of production of Panadol increased due to increase in price of paracetamol (one of the main ingredient used in the production of Panadol). Due to this increase people started using Disprine instead of Panadol. |

How fast is the ambulance moving : An ambulance with a siren emitting a whine at 1200 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s, How fast is the ambulance moving |

What is the pressure of the gas remaining in the tank : Gas is confined in a tank at a pressure of 11.9 atm and a temperature of 23.0°C. If two-thirds of the gas is withdrawn and the temperature is raised to 76.0°C |

What is the average force on the bullet : A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel |

How many year system last if return on investment is require : an expenditure of $20000 is made to modifya material handling system.this modification will result 1st year saving of $2000,2nd year saving $4000 and a saving of $5000 per year thereafter. |

What is the speed vfinal of the electron : 2 stationary positive point charges, charge 1 of magnitude 3.20nC and charge 2 of magnitude 1.60nC, What is the speed Vfinal of the electron when it is 10.0cm from charge 1 |

Find the velocity of the joined spacecraft : A 85-tonne (1 t = 1000 kg) spacecraft moving in the + x-direction at 0.38m/s docks with a 70-tonne craft moving in the -x-direction at 0.62m/s |

Find the magnitude pi of the total initial momentum : Block 1, of mass m1 = 1.70kg , moves along a frictionless air track with speed v1 = 25.0m/s, Find the magnitude pi of the total initial momentum of the two-block system |

## Determine the final mass of vapor in the tankWater is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Heat transfer occurs until the tank contains only saturated vapor. Determine the final mass of vapor in the tank, in kg, and the final pressu.. |

## What is the utmost value of the electric fieldA 100 kg cannon at rest contains a 10-kg cannon ball. When fired, cannon ball leaved the cannon with a speed of 450 m/s. What is the recoil speed of the cannon. |

## What is the safest speed to go around curveThe pilot of an aircraft wishes to fly due west in a 30.50 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190km/h. What should its speed relative to the ground be. |

## What is the mass of the heaviest rockOne day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. Each lab group is challenged to determine the heaviest rock that can be placed in the bottom of a plastic boat without sinkin.. |

## With what speed did the bullet strike the blockA 10-kg bullet is fired horizontally into a 300-g wooden block initially at res on a horizontal surface and become embedded in it. The coefficient of friction between block and surface is (0.50). |

## Illustrate the force vectors with their tailsIllustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded. |

## Determine qbThe same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 13, Determine qB |

## What are the possible frequencies of stringWhen she tightens the string slightly, she hears 6 beats/s. What is the frequency of string now. |

## What is the terminal speed of the marbleA boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s? |

## What is the period of our orbital motionA uniform plank of length 6m and weight 211N rests horizontally on two supports, with 1.1 m of the plank hanging over right support. To what distance x can a person who weighs 442N walk on the overhanging part of the plank before it just begins to.. |

## Determine the magnitude of the net force on the loopThe mass of mars is 6.419 times 10 26 square kg and the mass of a single proton is 1.673 times 10 negative 27 square kg. assuming mars is made entirely of protons, how various protons would make up mars. |

## Find the electric field between them and surface chargeThe parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate. |

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