A bullet of mass 11.4 g is fired into an initially stationary block and comes to rest in the block. The block, of mass 1.14 kg, is subject to no horizontal external forces during the collision with the bullet. After the collision, the block is observed to move at a speed of 5.90 m/s.

(a) Find the initial speed of the bullet.

(b) How much kinetic energy is lost?

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... |

Estimate the average force on the driver : Find the average force on the driver if the deceleration is accomplished gradually by the application of brakes over a 10.6 s interval |

Consider the sinusoidal wave of in figure-what is coordinate : Consider the sinusoidal wave of in the figure below with the wave function y = 0.150 cos (15.7x ? 50.3t) where x and y are in meters and t is in seconds. At a certain instant, let point A be at the origin and point B be the closest point to A along t.. |

Distance from the seismograph to the focus of the quake : A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake. |

## What is the electric field at the pointTwo charges of +0.250 C are placed at the points (1.25 mm, 0) and (-1.25 mm, 0). A third charge of -0.450 C is placed at the origin. a. What is the electric field at the point (0, 2.20 mm)? b. At what point on the y-axis will E be zero? Show graph.. |

## Question1astronomers detect a large asteroid that far awayquestion1astronomers detect a large asteroid that far away but still heading toward earth at 754 ms. a straight |

## What would be the minimum angle of the wooden bar with floorA 2inx4inx8ft is leaning against the wall, draw afree-body diagram of forces on it. what would be the minimum angle of the wooden bar with the floor |

## What is the maximum acceleration of the shadowA knob on a turning table rotates circularly with a constant speed of 0.78 m/s in a cirlce with radius= 0.35m. What is the maximum acceleration of the shadow |

## What is the net work done on the planeThe model airplane in Figure 5.7 is flying at a speed of 13.2 m/s on a horizontal circle of radius 17.9 m. The mass of the plane is 1.18 kg. What is the net work done on the plane |

## Use the ruler in your reference materials to mark necessaryms.smith is planning her classroom. she knows she has approximately 12 linear meters of available wall space. she likes |

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## What speed does the arrow leave the bowAn archer puts a 0.26 kg arrow to the bowstring. An average force of 213 N is exerted to draw the string back 1.3 m. unless otherwise directed, suppose that air resistance is negligible. Illustrate energy bar graphs to solve the problem. |

## What is the horizontal distance from the press boxThe stairs are 83 long and inclined at the angle of 31. If a player has a mass of 87, estimate his average power output on the way up. Overlook friction and air resistance. |

## Find these forces and list them with magnitude and directionDraw or describe the free body diagram for the vehicle, showing all forces. Calculate these forces and list them with magnitude and direction |

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