We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 68.0 kg and diameter 1.20 m. If this tumbler rolls forward at 0.550 rev/s, how much total kinetic energy does he have? What percent of his total kinetic energy is rotational?

Calculate how far would it have to drop : A grinding wheel in the shape of a solid disk is 0.300 m in diameter and has a mass of 2.50 kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy |

Compute where is the object : A convex mirror has a radius of curvature of 89 cm. An image is produced 40 cm in front of the mirror. Where is the object |

What is the position of the resulting image : An object is placed in front of a concave mirror with a focal length of 37 cm. What is the position of the resulting image if the image is upright |

What is the angular speed of the rod after rings leave it : A uniform rod of mass 3.20×10?2 and length 0.430 rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. Two small rings, each with mass 0.190 , are mounted so that they can slide along the rod. |

What percent of his total kinetic energy is rotational : We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 68.0 kg and diameter 1.20 m. What percent of his total kinetic energy is rotational |

What is the heaviest barbell that could be lifted : The box of a well-known breakfast cereal states that one ounce of the cereal contains 128 Calories (1 food Calorie = 4186 J). what is the heaviest barbell that could be lifted a distance of 2.08 m |

Determine power transmitted by wave-frequency of the wave : A sinusoidal wave on a string is described by the wave function y = 0.19 sin (0.90x ? 62t) where x and y are in meters and t is in seconds. The mass per unit length of this string is 12.0 g/m. Determine speed of the wave. m/s. Determine wavelength of.. |

Find the initial speed of the bullet : A bullet of mass 11.4 g is fired into an initially stationary block and comes to rest in the block. Find the initial speed of the bullet |

Determine the transverse speed element of the string : A transverse wave on a string is described by the following wave function. y = 0.105 sin [(?/12)x + 5?t] where x and y are in meters and t is in seconds. (a) Determine the transverse speed at t = 0.290 s for an element of the string located at x = 1... |

## Find the fraction of the tanks volumeA primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a freshwater lake, open end downward. Water rises into the tank, compressing the trapped air, whose temperature remains constant .. |

## How many dipoles are in the blockuse the inverse square law to display that in space shuttle territory, 200 kilometers above earth's surface, the force of gravity on a shuttle is about 94 percent of that at earth's surface. |

## What angle does the ray refracted into the waterA plate of glass with parallel faces having a refractive index of 1.46 is resting on the surface of water in a tank. What angle does the ray refracted into the water make with the normal to the surface? Use 1.33 for the index of refraction of water |

## How much force must be applied to the end being raisedA uniform chain with a mass of 1.38 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.54 m/s. how much force must be applied to the end being raised |

## With what initial speed should a positive chargeWith what initial speed should a positive charge, +q, be given such that if starting infinitely far away from a fixed positively charged nuclues, +Q, of radius R, the positive charge is just able to get to the surface of the positive charge, done wit.. |

## Obtain the moons radial accelerationAn undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration |

## Calculate the amount of heat energySeveral ice cubes (pi = 0.9167 g/cm3) of total volume Vi = 240 cm3, Calculate the amount of heat energy Qm in J needed to melt the ice cubes (Lf = 334 kJ/kg) |

## Q1 a chair of mass 140 kg lies atop a horizontal floor theq1. a chair of mass 14.0 kg lies atop a horizontal floor the floor is not frictionless. you push on the chair with a |

## Estimate the final potential difference across the platesTwo capacitors C1 = 3.8 ?F, C2 = 17.8 ?F are charged individually to V1 = 14.4 V, V2 = 4.3 V. Calculate the final potential difference across the plates of the capacitors once they are connected |

## What is the angular magnification of the moonYour telescope has an objective lens with a focal length of 1.0 m. You point the telescope at the moon, only to realize that the eyepiece is missing. What is the angular magnification of the moon |

## How far does he slideA 72-kg base runner begins his slide into second base when he is moving at a speed of 3.9 m/s. How far does he slide |

## Calculate the rate of heat additionYou may solve this problem using either tabulated values from the tables or constant specific heats. Calculate the rate of heat addition |

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