Q. A cheetah can run briefly with a speed of 29.00m/s. Assume a cheetah with a mass of 52 kg runs at this speed. What is the cheetah's kinetic energy?

Q. Through a hard sneeze, your eyes might shut for 0.70s. If you are driving a car at 100 km/h during such a sneeze, how far does the car move for the duration of that time?

## Find the location of the center of gravity of the beamSuppose the Eskimo is pushing the same 50.0-kg sled across level terrain with a force of 50 N. If he does 4 x 10^2J of work on the sled while exerting the force horizontally, through what distance must he have pushed it. |

## What is the equivalent spring constant of the bowA 5 g bullet with an initial velocity of 95 m/s lodges in a block of wood and comes to rest at a distance of 6 cm. assume the bullet undergoes a constant negative acceleration; it slows at a constant rate. How much time does it take for bullet to .. |

## Calculate the metal weights densityYou lower a weight of metal in a beaker filled with water standing on a scale. When metal weight hangs above the water weighs 179.6 grams. |

## How many homes could be heated with the waste heatA 40 percent efficient electric power plant produces 900MW of electric power and discharges waste heat into 30 C ocean water. Suppose the waste heat could be used to heat homes during the winter instead of being discharged into the ocean. A typical A.. |

## What is the displacement of the car from the point of originAn airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B. |

## How fast does it move after the bullet emergesA block of mass m = 4.2 kg, moving on a frictionless surface with a Vi=2.9m/s speed makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.2 block recoils with a speed of 0.9m/s. The mass M is closest to. |

## What must the potential difference between the platesWhat should be the spring constant of a spring designed to bring a 1400 car to rest from a speed of 95 so that the occupants undergo a maximum acceleration of 5. |

## Find the work she does on the flight bagA meter long 1.0 cm diameter nichrome heater wire is associated to a 12V battery. What is the magnetic field strength 1.0 cm away from the wire. |

## Find out the students massTo determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 . |

## How far east and how far north has ocean liner goneA car traveling at 21 {rm m/s} runs out of gas while traveling up a 25^circ slope. How far up the hill would it coast before starting to roll back down. |

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