Find the photon energies for the three longest wavelengths in the Balmer series for the hydrogen atom. (Enter your answers from smallest to largest.) Calculate the three wavelengths. (Enter your answers from smallest to largest.)

What is speed of the arrow after passing through the target : An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 35.0 m/s and passes through the target, which is stopped by the impact. Wh.. |

Magnetic flux through the curved surface of the cylinder : A long, straight wire carrying a current of 4.32 A is placed along the axis of a cylinder of radius 48.7 cm and a length of 2.10 m. Determine the total magnetic flux through the curved surface of the cylinder. |

What is the magnitude of the lift force acting on the plane : A jet airplane is in level flight. The mass of the airplane is m = 8830 kg. The plane travels at a constant speed around a circular path of radius R = 8.45 miles and makes one revolution every T = 0.112 hours. What is the magnitude of the lift force .. |

What was the speed of the lighter car just after collision : When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. In one such accident, a 1850car traveling to the right at 1.40 collides with a 1400 car going to the left at 1.10 .. |

Find the photon energies for the three longest wavelengths : Find the photon energies for the three longest wavelengths in the Balmer series for the hydrogen atom. (Enter your answers from smallest to largest.) Calculate the three wavelengths. |

What is the magnitude of the component of the magnetic field : The magnetic force on a straight 0.31 m segment of wire carrying a current of 4.5 A is 1.5 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire? Answer in units of T. |

Proton traveling to right along x-axis enters a region : A proton traveling to the right along the x-axis enters a region where there is a magnetic field of magnitude 3.7 T directed upward along the y-axis. The charge on a proton is 1.60×10?19. If the proton experiences a force of 3.6 × 10?12 N, find its s.. |

What is the length of the wire that is inside magnetic field : The magnetic force acting on a wire that is perpendicular to a 3.7 T uniform magnetic field is 6.4 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic field? Answer in units of m. |

Loop detector-increases downward component of manetic field : A truck drives onto a loop detector and increases the downward component of the magnetic field within the loop from 1.2 x 10^- 5 T to the larger value B in 0.38 s. The detector is circular, has a radius of 0.67 m, and consists of three loops of wi.. |

## What is the definition of quantum physicsWhat's the definition of quantum physics, in layman's terms? |

## Find the powers of the correcting contact lensesA person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes. Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision |

## Find out the wavelengths of the lightA 16 cm x 16 cm square loop of wire lies in the xy-plane with its bottom edge on x-axis. The resistance of the loop is 0.490 ohms. A magnetic field parallel to the z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds... |

## Q1 the two blocks are on frictionless inclines and are inq1. the two blocks are on frictionless inclines and are in static equilibrium. the block on the left has a mass of 49 |

## What is the vertical support force at each endA uniform steel beam has a mass of 720kg On it is resting half of an identical beam, What is the vertical support force at each end |

## What is the direction of potential at the originA 2.5-mC charge is on the 7-axis at y= 3.0m and a 6.3-mC charge is on the x-axis at x= 3.0m. What is the direction of potential at the origin |

## What is the highest point in meters that the ball will reachA soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What is the highest point in meters that the ball will reach |

## Calculate the centripetal acceleration of the carA car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff. |

## Examine the velocity of the puck after the collisionAfter the collision, the 0.177 kg puck has a speed of 1.38 m/s at an angle of 27? to the positive x axis. Examine the velocity of the 0.302 kg puck after the collision. |

## Find what is the total charge of this sphereA hollow non-conductiong sphere has a uniform charge density ?. The inner and outer radius of the sphere are r1 and r2m respectively. What is the total charge of this sphere |

## What would be the frequency of vibrationswhat will be the frequency of vibrations. At one instant a bicyclist is 70m due east of a park's flagpole, going due south with a speed of 15m/s. Then, 19s later, the cyclist is 65m due north of the flagpole, going due east with a speed of 14 m/s. |

## Express the total distance traveled and the average speedDuring 5 successive 0.97 min intervals, a runner moves at the following constant speeds: 0.436 km/min, 0.250 km/min, 0.160 km/min, 0.160 km/min, and 0.320 km/min. calculate the total distance traveled and the average speed. |

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