A block of mass m = 600 g is released from rest and slides down a frictionless track of height h = 59.9 cm. At the bottom of the track the block slides freely along a horizontal table until it hits a spring attached to a heavy, immovable wall. The spring compressed by 2.51 cm at the maximum compression. What is the value of the spring constant k?

How far away from the earth is the spaceship : Two astronauts are 1.40 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves. How far away from the earth is the spaceship |

Determine what area of lawn recieves water : A water sprinkler sprays water over a distance of 30 feet while rotating through an angle of 145 degree . What area of lawn recieves water |

Write a brief report outlining and describing the issues : Write a brief report outlining and describing the issues your company must consider regarding each of the following environmental areas: economic, social-cultural, technological, and political-legal. |

State the empirical formula for the hydride of sulfur : The empirical formula for the hydride of sulfur is H2S, and its central atom is sulfur. Based on this information, you would expect the empirical formula for the hydride of selenium |

Determine the value of the spring constant : A block of mass m = 600 g is released from rest and slides down a frictionless track of height h = 59.9 cm. What is the value of the spring constant k |

Compute direct beam insolation normal to the suns rays : A south-facing collector at latitude 40%u25E6 is tipped up at an angle equal to its latitude. Compute the following insolations for January 1st at solar noon: a. The direct beam insolation normal to the sun's rays. |

Determine the current amplitude through the resistor : For the circuit in the figure (Figure 1) , R = 300? ,L = 0.860H and C = 5.00?F . When the source is operated at the resonance frequency, Determine the current amplitude through the resistor |

Explain silicon atoms and chlorine molecules : Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules. |

Determine the other force : Two forces parallel to the x axis do 19.0 J of work on a small tray while moving it 17.6 m in the x direction across a gym floor, What is the other force |

## Find amount of work completed by the net forceThe speed of object at displacement x = 20 m. The change in the momentum of the object at it is displaced from x = 12 to x = 20 m. |

## Find out the point between these two chargesTwo point charges = 2.10 and = -6.40 are 0.100 apart. Point is midway between them; point is 0.080 from and 0.070 from. Take the electric potential to be zero at infinity. |

## Determine the surface charge densityAn air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm. An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.60 mm. |

## How fast a simple generator produce peak outputA tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork while waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s. |

## Find coefficient of kinetic friction between skis and snowfind the coefficient of kinetic friction between skis and snow.Three equal point charges, each with charge 1.80 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.500 m. What is the electric potential energy U o.. |

## After how long will the balls be at the same heightTwo boats start together and race across a 64-km-wide lake and back. Boat A goes across at 64 km/h and returns at 64 km/h. Boat B goes across at 32 km/h, and its crew, realizing how far behind it is getting, returns at 96 km/h. Turnaround times ar.. |

## Compute the torque on the center of massA uniform rod of length 0.790 m and mass 14.50 kg is balanced on a sharp edge at 0.650 m from the left end. At the left end hangs a mass of 45-kg and the right end hangs an unknown mass so that the whole assembly is in equilibrium. |

## Find the speed of the electrons when they hit the screenn a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.6 ? 10-17 N during the first 1.9 cm of the tube's length, Find the speed of the electrons when they hit the screen |

## How much work is done by the rope on the sledA student decides to move the box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 168 N at an angle of 30.0° above the horizontal. The box has a mass of 21.0 kg, and the coefficient of kinetic f.. |

## What speed does the truck then strike the treeA spring with spring constant k = 210N/m is at first compressed x = 1.90 cm. It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is completed by the spring during this process. |

## Determine the car initial speedAn 8000-kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled springs. |

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