Consider a frictionless track. A block of mass m1=10.0kg is released from A, at a height h=17.0m. It makes a head-on elastic collision at B with a block of mass m2=22.0kg that is initially at rest. Calculate the maximum height to which m1 rises after the collision.

Imagine sitting on a steadily spinning merry-go-round : Imagine sitting on a steadily spinning merry-go-round, neither speeding up nor slowing down. Like all physics students, you have an identical twin, and your twin is sitting on the merry-go-round, but closer to the center than you. Which of you, if ei.. |

Determine the force exerted by air resistance on the bucket : A fire helicopter carries a 520-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant speed of 40.0 m/s, the cable makes an angle of 36.0° with respect to the vertical. Determine the force exerted by air resistan.. |

What is the force of friction between the fridge and floor : The coefficients of kinetic and static friction between a 1000 lb refrigerator and flor are .4 and .45. when at rest the refrigerator is pushed with a horizontal force of 300 lb. what is the force of friction between the fridge and the floor? |

Find the frictional force acting on the block : A 3.00-kg block starts from rest at the top of a 33.5° incline and slides 2.00 m down the incline in 1.80 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the fri.. |

Consider a frictionless track : Consider a frictionless track. A block of mass m1=10.0kg is released from A, at a height h=17.0m. It makes a head-on elastic collision at B with a block of mass m2=22.0kg that is initially at rest. Calculate the maximum height to which m1 rises after.. |

Telephone customer service representatives : How do you interpret the reliability results for the clerical test and work sample? Are they favorable enough for Phonemin to consider using them "for keeps" in selecting new job applicants? |

Explain how many photons must be absorbed to make h2o boil : A certain microwave delivers 750. watts (J/s) of power to a coffee cup containing 50.0 g of H2O at 25 degrees C. if the wavelength of microwave in oven is 9,75 cm how long does it take and how many photons must be absorbed to make H2O boil |

Calculate the resulting increase in the springs mass : A spring with a force constant of 588N/m is compressed a distance of 42cm. Find the resulting increase in the spring's mass |

Explain the diluted solution contains cucl2 : To what volume should you dilute 122 mL of an 8.05 M CuCl2 solution so that 51.0 mL of the diluted solution contains 4.61 g CuCl2 |

## What net force is applied to carTwo spheres are cut from a certain uniform rock. One has radius 4.30cm. The mass of the other is six times greater. Find its radius. |

## How much work was done by the personA certain loudspeaker has a diameter of 45 cm. At what frequency would the wavelength of sound it emits in air be equal to its diameter. |

## How long is the bacteriumAn interferometer is used to measure the length of a bacterium. The wavelength of the light used is 650 nm. How long is the bacterium |

## Estimate the angular displacement of each wheelA motorcycle, which has an initial linear speed of 6.4 m/s, decelerates to a speed of 1.5 m/s in 5.7 s. estimate the angular displacement (in rad) of each wheel |

## A loaded cart has a total mass of 227kgif a 312n forcea loaded cart has a total mass of 227kg.if a 312n force acting at an angle of 30degree to the ground is applied. how |

## What is the mass of the bike and rider alongAn 18 g rifle bullet traveling 210 m/s buries itself in a 3.9kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. find the vertical and horizontal components of the pendulum's displacement. |

## How many joules of kinetic energy did this ball haveThe speed of the fastest-pitched baseball was 41.0 m/s, and the ball's mass was 145 g. How many joules of kinetic energy did this ball have |

## Question1a gun shoots bullets that leave the muzzle with aquestion1a gun shoots bullets that leave the muzzle with a speed of 239. if a bullet is to hit a target 111 away at the |

## What time did the sprinter achieve for the raceTwo adjacent sources each emit a frequency of 800Hz in air where the velocity of sound is 340 m/s. How much farther back would source 1 have to be moved as a result an observer in front of the sources would hear no sound. |

## A truck driver transporting new cars needs to roll thea truck driver transporting new cars needs to roll the cars off the truck. you offer to design a ramp to help with that |

## Compute their combined velocity after they meetA boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet |

## Find mass of alcohol necessary to lower body temperatureIf the specific heat of the human body is approximately 0.830 kcal/kg°C and the heat of vaporization of the alcohol is 203 kcal/kg, determine the mass of alcohol necessary to lower the body temperature down to 102°F |

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