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. (nprism = 1.52, nwater = 1.33).

What is the effective load resistance of the secondary coil : A transformer consists of 300 primary windings and 832 secondary windings. 1. If the potential difference across the primary coil is 22.5 V , what is the voltage across the secondary coil? 2. If the potential difference across the primary coil is 22... |

What will be the current in the secondary coil : You need a transformer that will draw 16 W of power from a 220 V (rms) power line, stepping the voltage down to 12 V (rms) What will be the current in the secondary coil? Express your answer to two significant figures and include the appropriate un.. |

Current in the circuit to reach half of its maximum value : A 1.80 mH inductor is connected in series with a dc battery of negligible internal resistance, a 0.840 k-ohm resistor, and an open switch. How long after the switch is closed will it take for the current in the circuit to reach half of its maximum.. |

What is the angular frequency of the charge oscillations : A 18.0 uF capacitor and a 5.40 mH inductor are connected in series with an open switch. The capacitor is initially charged to 6.50 uC. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed? |

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? |

## What does the scale read at its peakIf you stand on a bathroom scale, the spring inside the scale compresses 0.40mm, what does the scale read at its peak |

## What is the resistance of each pieceA certain copper wire has a resistance of 11.0?. What is the resistance of each piece |

## Calculate the final volume of each gasThe wall separating the two systems is now released and allowed to move, allowing the systems to reach a new equilibrium. Calculate the final volume of each gas, and the change in total entropy |

## Find the bragg- scattering angleA beam of thermal neutrons emerges from a nuclear reactor and is incident on a crystal. Find the Bragg- scattering angle that results in a scattered beam of this energy |

## Calculate the speed of the ball at that pointA 480 g ball swings in a vertical circle at the end of a 1.9 m-long string. What is the speed of the ball at that point |

## What is the greatest speed at which the car can movea car moves at a constant speed on a strait but hilly road. One section has a crest and dip of the same 500 m diameter curve. what is the greatest speed at which the car can move without leaving the road at the top of the first crest |

## Q1 a tank with a volume of 0150 m contains 270 degreesq1. a tank with a volume of 0.150 m contains 27.0 degrees celsius helium gas at a pressure of 100 atm. how many |

## What is the stopping distance of the carSuppose a car is traveling at 14 m/s, and the driver sees a traffic light turn red. After 0.50 s has elapsed (the reaction time) the driver applies the brakes and the car decelerates at 8.0 m/s2. |

## Why do they use volume instead of weightA submerged solid object displaces a. its own volume in the liquid. b. more than its own volume in the liquid. c. less than its own volume of liquid. I am confused with the wording. Why do they use volume instead of weight? |

## What is the distance the two roll to before stoppingA 40kg child slides down a frictionless playground slide, starting from rest at a height of 2.2 m. He leaves the bottom of the slide moving horizontally at some velocity(v1). What is the distance the two roll to before stopping |

## What is the draft of the fully loaded tankerThe supertanker Globtik London has a mass of 220,000 metric tons when empty and it can carry up to 440,000 metric tons of oil when fully loaded. What is the draft of the fully loaded tanker |

## Find how much additional charge flows to the positive plateAn uncharged capacitor is connected to the terminals of a 3.0 battery, and 12 flows to the positive plate. How much additional charge flows to the positive plate |

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