My flashlight beam makes an angle of 60° with the surface of the water before it enters the water. In the water, what angle does the beam make with the surface?

Determine the cost of the energy delivered by the battery : A certain type of D-cell battery that costs $0.50 is capable of producing 1.2 V and a current of 0.1 A for a period of 75 hours. Determine the cost of the energy delivered by this battery per kilowatt hour. |

Calculate the distance block slides before coming to rest : An 8.70-kg block slides with an initial speed of 1.51 m/s up a ramp inclined at an angle of 27.4 degrees with the horizontal. calculate the distance the block slides before coming to rest. |

Explain what is the distance in inches : A diamond is made of pure carbon. The distance between any two neighboring carbon atoms in a diamond is 1.54 angstroms. What is the distance in inches |

How many states are in count sequence of n-bit ring counter : a) starting from an initial state of 1000list the sequence ofstates of the four flip-flops after each shift. b) Begining in the state 10...0,how many states are there inthe count sequence of an n-bit ring counter |

What angle does the beam make with the surface : My flashlight beam makes an angle of 60° with the surface of the water before it enters the water. what angle does the beam make with the surface |

A description of the new cmo tranche : A description of the new CMO tranche and how it may or may not be a better choice for the client than the corporate bond and the MBS thatyour boss initially recommended |

The conformations of trans-1-tertbutyl-4-chlorocyclohexane : Draw two chair conformations of trans-1-tertbutyl-4-chlorocyclohexane. Indicate which conformation is more stable and why |

Compute the work done on the ball by air resistance : A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.15 m above the floor with a speed of 7.40 m/s. What is the work done on the ball by air resistance |

What is the work done by kinetic friction : A 42.0 kg seal at an amusement park slides from rest down a ramp into the pool below. If the seal reaches the water with a speed of 4.30 m/s, what is the work done by kinetic friction |

## Compute the electric flux through a rectangular planeAn electric field of intensity 2.5 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.70 m long if the following conditions are true. |

## How much energy is transferred to each eardrumA uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field. The cube is originally put so that C is centered above O, but it can roll from side to side w.. |

## Find the energy u1 of the dielectric-filled capacitorA dielectric-filled parallel-plate capacitor has plate area A = 10.0cm2 , plate separation d = 5.00mmand dielectric constant k = 5.00. Find the energy U1 of the dielectric-filled capacitor |

## What is its speed at the tip of its trajectoryAn alpha particle (charge 2e) is sent at high speed toward a gold nucleus. The electric force acting on alpha particle is 91 N when it's 2.00 x 10^(exponent)-14m away from the gold nucleus What is the charge on gold nucleus, as a whole number mult.. |

## Find the total work done on the car by the external forcesFind out the total work done on the car by the external forces. |

## Calculate the wavelength of photon is emittedAn electron in the hydrogen atom makes a drop from n = 3 to m = 2. What wavelength of photon is emitted |

## How many photons/sec does it receive from the manA drone, flying 300m above ground, observes a man walking on a road in a cold night (0°C). how many photons/sec does it receive from the man and from a similar surface of road |

## What is the magnitude of the horizontal net forceTwo points are located on a rigid wheel that is rotating with an increasing velocity about fixed axis. The axis is perpendicular to the wheel at its center. Point 1 is located on the rim and point 2 is halfway between rim and axis .at any given insta.. |

## Find the time of the trip as measured by the martianA Martian leaves Mars in a spaceship that is heading to Venus. On the way, the spaceship passes earth with a speed v = 0.86c relative to it. What is the time of the trip (in seconds) as measured by the Martian |

## How long after starting is the magnitude of its centripetalA turntable that spins at a constant 73.0 {rm rpm} takes 3.60 {rm s} to reach this angular speed after it is turned on. Find its angular acceleration (in {rm rad/s^{2}}), suppose it to be constant, and the number of degrees it turns through while .. |

## What is change in the kinetic energy of the skaterA 58-kg skater sliding due northeast at an initial speed of 1.5 m/s runs into a snow bank and comes to rest in a time interval of 0.38 s, What is change in the kinetic energy of the skater |

## Find coefficient of kineticfriction between child and slopePlaying near a road construction site, a child falls over a barrier and down onto a dirt slope that is angled downward at 42° to the horizontal, What is the coefficient of kinetic friction between the child and the slope |

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