Q1. A dog pulls on the pillow with a force of 8.6 N at an angle of 22° above the horizontal. What is the forward or x component of this force?

Q2. For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg?

Multiple comparison procedures : Multiple comparison procedures are going to be done using the Bonferroni method with = 0.05. The value of t** is 2.4667. Which of the following is the appropriate conclusion from carrying out these multiple comparisons? |

What is the launch speed of a projectile : What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to five before coming to rest momentarily. |

What is the flux through the disk : An object is 17 mm in front of a converging lens, and the image is 3 mm behind the lens. What is the focal length of the lens? Reply In mm |

At what angle should you throw the package : Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.32 × 10-19 J when illuminated with light that has a frequency of 1.97 × 1015 Hz. |

Find initial position before momentarily coming to rest : For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg. |

Example on bonferroni method : Which of the following is the appropriate conclusion from carrying out these multiple comparisons |

Flat horizontal surface that rolls without slipping : With what minimum speed should you toss a 140g ball straight up to hit the 11.0m-high roof of the gymnasium if you release the ball 1.30m above the ground? Resolve this problem using energy. |

Find the change in the internal energy : A 600 turn solenoid, 25 cm long, has a diameter of 2.8 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.48 s, what would be the induced emf magnitude in the.. |

Calculate the change in kinetic energy of the ball : From a cliff that is 9.4 m above a lake, a young woman (mass 44 kg) jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wavelength. |

## What value of capacitance stays within 3 percent of the rateWhat is the most amounts by which the wavelength of an incident photon could change when it undergoes Compton scattering from an atom or molecule with a 19 u mass . |

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## Use the concepts of impulse and momentumA rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long.. |

## What is the direction of the carbon atom after the collisionW hat least energy an incident alpha particle must have to penetrate the gold nucleus. What is the direction of the carbon atom after the collision. |

## How various beats per second are heardWhen two tuning forks of 128 Hz and 149 Hz, respectively, are sounded simultaneously, how various beats per second are heard. |

## What is an image distanceA lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance. |

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