a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Draw a "free body" diagram with all the forces acting on the ball. Find the normal force between the ball and the wall.

An LC circuit has capacitance C0 and inductance L : An LC circuit has capacitance C0 and inductance L. A second LC circuit has capacitance 1/2C0 and inductance 2L, and a third LC circuit has capacitance 2C0 and inductance 1/2L . |

Estimate the cross-sectional area of the water stream : Water flows straight down from an open faucet. The cross-sectional area of the faucet is 1.7 × 10-4m2, find the cross-sectional area of the water stream at a point 0.11 m below the faucet |

What was the average power output of this magnetar : On December 27, 2004, astronomers observed the greatest flash of light ever recorded from outside the solar system. what was the average power output (in terms of P) of this magnetar |

Determine the direction of the net force on the car : A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car |

Find the normal force between the ball and the wall : a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Find the normal force between the ball and the wall |

Find how long does it take to stop after power is turned off : When the power is turned off on a turntable spinning at 82.0 rpm, you find that it takes 10.8 revolutions for it to stop while slowing down at a uniform rate. How long does it take to stop after the power is turned off |

Determine what was the angular velocity of the wheel : Emilie's potter's wheel rotates with a constant 2.90 rad/s^2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.70 s interval |

Calculate the magnitude of impulse exerted on the clay ball : A superball and a clay ball are droped from a height of 10 cm above a table top. They have the same mass 0.05 kg and the same size. The superball bounces off the table and rises back to the same height. The clay ball sticks to the table. For the clay.. |

Final speed of the box after sliding across rough section : A box of unknown mass is sliding with an initial speed vi = 5.90 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 2.10 m long. The coefficient of kinetic friction between the rough section of .. |

## What is brewster''s angle for this lightFor light that originates within a liquid and strikes the liquid/air interface, What is Brewster's angle for this light |

## Physics- solve a population doubling questionPhysics: Solve a population doubling question, An easy way to find the time it takes for compound interest to double an investment is to divide 72 by the interest rate in percent. |

## How much energy does the wheel lose to frictionA wheel (mass = 7.54 kg, radius = 16.8 cm) rolls, without slipping, down the side of a hill. How much energy does the wheel lose to friction |

## How far from the base of the wall dos the cannon ball travelA cannon fires up at an angle of 30 degrees above the horzontal with a muzzle velocity of 40 m/s. How far from the base of the wall dos the cannon ball travel |

## What gravitational force does earth exert on the satelliteA 600-kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite |

## What is the electric field in the wireThe resistivity of gold is 2.44 x 10-8 ohms.m at room temperature. A gold wire that is 0.9 mm in diameter, What is the electric field in the wire |

## Find out the tensions in the ropeA stunt man whose mass is 70 kg swings from the end of a 3.7-m long rope along arc of a vertical circle. Presume he starts from rest when the rope is horizontal. |

## Find the number of molecules in the sampleA sample of ethyl alcohol (C2H5OH) has a density of 806 kg/m3 and a volume of 1.73 x 10-3 m3. find the number of molecules in the sample |

## Find the coefficient of friction between the cheese and iceBored, a boy shoots his pellet gun at a piece of cheese that sits, keeping cool for dinner guests, on a massive block of ice. find the coefficient of friction between the cheese and ice |

## Determine the force constant of this springTo strech a spring 6.00cm from its unstreched length, 16.0J of work must be done. What is the force constant of this spring |

## What distance does the runner cover during this processA runner traveling with an initial velocity of 1.5 m/s accelerates at a constant rate of 1.6 m/s^2 for a time of 3 seconds. What distance does the runner cover during this process |

## Find the components of the particle''s velocityA 6.70 -uC particle moves through a region of space where an electric field of magnitude 1300 N/C points in the positive x direction, find the components of the particle's velocity |

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