A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) (5 pts) How much energy was lost in the collision? (b) (5 pts) Calculate the average force exerted on the block assuming that the impact time is 10-4s. (c) (5 pts) To what maximum height will the block rise above its initial position?

Explain why the periscope no long works : A periscope for a submarine uses two totally reflection 45°-45°-90° prisms with total internal reflection on the side adjacent to the 45° angles. It springs a leak, and the bottom prism is covered with water. Explain why the periscope no long works. .. |

What is the self-inductance of this solenoid : An ideal toroidal solenoid has a cross-sectional area of 0.500 cm^2 , a mean radius of 15.0 cm , and 1600 turns. What is the self-inductance of this solenoid? |

What is the mutual inductance of combination of two coils : A 10.0 cm -long solenoid of diameter 0.400 cm is wound uniformly with 800 turns. A second coil with 50.0 turns is wound around the solenoid at its center. What is the mutual inductance of the combination of the two coils? |

About the bottom end of rod after being given slight nudge : A thin, cylindrical rodscript l=24.6cmlong with a massm= 1.20 kghas a ball of diameterd=10.00cmand massM= 2.00 kgattached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure below. The co.. |

Calculate the average force exerted on the block : A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) (5 pts) How much energy was lost in the collision? |

Emf device is placed across two resistors in series : When a 23.0-V emf device is placed across two resistors in series, a current of 14.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 61.0 A. Wh.. |

What is the expansion coefficient of the combined rod : An aluminum rod 10.0cm long and a steel rod 80.0cm long are combined to form one rod with a total length of 90.0cm. The initial temperature of both rods is 15 degrees celcius. The expansion coefficient of aluminum is 2.4*10^5 and the expansion coeffi.. |

What is the magnitude of the centripetal acceleration : A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 1.8 rad/s2. (a) How long does it take the discus thrower's speed to get to 3.5 rad/s? |

Calculate the change in electric potential energy of system : Two particles each with charge +1.86 µC are located on the x axis. One is at x = 1.00 m, and the other is at x = ?1.00 m. (a) Determine the electric potential on the y axis at y = 0.320 m. .... kV (b) Calculate the change in electric potential energy.. |

## Compute the radius of the sphereA thin, uniformly charged spherical shell has a potential of 533 V on its surface. Outside the sphere, at a radial distance of 24.0 cm from this surface, Calculate the radius of the sphere |

## At what speed will you move back toward the stationYou took a job as a space station scientist. On a spacewalk you get separated from the station. At what speed will you move back toward the station |

## By how much does the fox clear the fenceA fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. By how much does the fox clear the fence |

## Calculate the possible velocities of the mother particlea particle's rest mass is 1.25 M0c^2, decays into two identical paricles of mass .45M0 each. calculate the possible velocities of the mother particle |

## Obtain the density of the rockA solid rock, suspended in air by a spring scale, has a measured mass of 9.00 kg. What is the density of the rock |

## Determine the heat transferred to system during this processA system performs 352 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process |

## Determine the force exerted on your fingertipEstimate the radiation pressure due to a 100-W bulb at a distance of 7.0 cm from the center of the bulb. Estimate the force exerted on your fingertip |

## Find out the number of turns in the solenoidA certain superconducting magnet in the form of a solenoid of length 0.30 m can produce a magnetic field of 13.0 T in its core when its coils carry a current of 105 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find o.. |

## How long does it take to reach the new equilibrium positionhow long does it take to reach the new equilibrium position. |

## Find the magnitude of force on the electron from uranium ionA uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. find the magnitude of the force on the electron from the uranium ion |

## Calculate with what magnitude of velocity does it strikeA hot-air balloonist, rising vertically with a constant velocity of magnitude = 5.00m/s , releases a sandbag at an instant when the balloon is a height = 40.0m above the ground, With what magnitude of velocity does it strike |

## Determine maximum speed of the oscillating massA 0.80 kg mass is attached to a light spring with a force constant of 23.9 N/m and set into oscillation on a horizontal frictionless surface. determine maximum speed of the oscillating mass |

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