A pendulum hangs from an inclined wall. Suppose that this pendulum is released at an initial angle of 10 degrees and it bounces off the wall elastically when it reaches an angle of -5 degrees. What is the period of this pendulum?

Calculate the average power carried by the wave : A piano wire with mass 3.45g and length 85.0cm is stretched with a tension of 31.0N. Calculate the average power carried by the wave |

Estimate the frequency of the dampened oscillation : A 10.0 kg object oscillates at the end of a vertical spring that has a spring constant of 1.90 104 N/m. Calculate the frequency of the dampened oscillation |

Determine the resonance angular frequency of the system : A 1.80-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 6.00sin(2?t), Find the resonance angular frequency of the system |

What is the value of the time constant : The amplitude of an oscillator decreases to 68.7% of its initial value in 30.0s. What is the value of the time constant |

What is the period of this pendulum : A pendulum hangs from an inclined wall. Suppose that this pendulum is released at an initial angle of 10 degrees and it bounces off the wall elastically when it reaches an angle of -5 degrees |

Compute the magnitude of the external magnetic field : A horizontal wire of length 0.43 m, carrying a current of 6.9 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field |

Estimate the mass of the particle : A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. Determine the mass of the particle |

Explain why is the backpack helpful : A woman who is late in her pregnancy often leans backwards slightly when getting out of chairs and even while walking. Why is the backpack helpful |

Calculate the total angular momentum of our moon : Calculate the total angular momentum of our Moon relative to the center of the Earth. You may assume that the Moon is a uniform sphere |

## How to calculate the temperature of the gasA Ferris wheel with a radius of 14.0 m rotates at a constant rate, completing one revolution in 30.0 s. What is the apparent weight of a 60 passenger when she is at the bottom of the wheel. |

## Find the tension in the rope connecting the two massesA block of weight wt1 = 409 N sits on a frictionless table of mass 118 kg. The block is connected via frictionless pulley to a hanging block with weight wt2 = 172 N. FIND the tension in the rope connecting the two masses |

## What speed does sara measureImagine Bob lives on the earth at rest. Sara is traveling past the earth with a velocity of 9600 m/s, Suppose that a photon of light is passing Sara instead of a meteor. Bob measures the photon speed to be c, the speed of light. What speed does Sar.. |

## What power would one headlight and the starter consumeYour car's 29.5 W headlight and 2.35 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume |

## Q1 a 360 g bullet moving at 478 ms strikes a 37 kg bag ofq1. a 36.0 g bullet moving at 478 ms strikes a 3.7 kg bag of flour that is on ice at rest. the bullet passes during the |

## What is the kinetic energy at the peak of its trajectoryA 0.43 kg soccerball is kicked with a velocity of 25 m/s at an angle of 37 degrees above the horizontal. What is the kinetic energy at the peak of its trajectory |

## Define the enhancement in temperature of the bulletA grinding wheel 0.45 in diam rotates at 2900. What is acceleration of a point on the edge of the grinding wheel. |

## Find the mass of oxygen in the tankA 1.5 m^3-volume tank holds oxygen gas (M = 32 g/mole) at the pressure of 500,000 Pa. The temperature is 27 C. Find the mass of oxygen in the tank (in kg) |

## Question1an object of mass 12 kg is released from rest atquestion1an object of mass 1.2 kg is released from rest at the top of a 5 metre plank inclined at 40 degrees to |

## Determine how far is the screen located from the slitUsing a 673-nm wavelength laser, you form the diffraction pattern of a 0.109-mm wide slit on a screen. How far is the screen located from the slit |

## How far away is the closest object that it can captureA telephoto lens can focus on objects located between infinity and closer. To focus, How far away is the closest object that it can capture |

## Calculate the minimum stopping distance of the carFind out the magnitude of the wind velocity. Find the direction of the wind velocity.If the wind velocity is 39 due south, in what direction should the pilot set her course to travel due west? Use the same airspeed of 213 . |

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