A uniform marble rolls down a symmetric bowl, starting from rest at the top of the left side. The top of each side is a distance { h} above the bottom of the bowl. The left half of the bowl is rough enough to cause the marble to roll without slipping, but the right half has no friction because it is coated with oil. Part A How far up the smooth side will the marble go, measured vertically from the bottom? Express your answer in terms of h. h' = _______________________ Part B How high would the marble go if both sides were as rough as the left side? Express your answer in terms of h. h'' =__________________________

What is the minimum pulling force that the clown must exert : The drawing shows a circus clown who weighs 725 N. The coefficient of static friction between the clown's feet and the ground is 0.51. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the mi.. |

A baseball is thrown with an inital velocity : A baseball is thrown with an inital velocity of 20 m/s along the horizontal axis and 15 m/s along the vertixal axis. The ball soon reaches the highest point, what is the speed at that point? (ignore air friction) I know the answer is 20 m/s, just nee.. |

How elastic was the collision : Bob (m = 60kg) is wearing a sticky suit. Just as he reaches his desired speed of 6m/s, he reaches the edge of ice (assume the ice is frictionless) and collides with a large crate (m = 250kg). Bob and the crate stick together and slide along level gro.. |

Calculate the bulk modulus of the liquid : In a liquid with a density of 1500 kg/m^3 , longitudinal waves with a frequency of 420 hz are found to have a wavelength of 8.50m . Calculate the bulk modulus of the liquid. 2) A metal bar with a length of 1.60 m has a density of 6200 kg/m^3. Long.. |

A uniform marble rolls down a symmetric bowl : A uniform marble rolls down a symmetric bowl, starting from rest at the top of the left side. The top of each side is a distance { h} above the bottom of the bowl. |

When a single high-resistance bulb is connected : When a single high-resistance (long) bulb is connected to a 1.5 volt battery, the current through the battery is about 80 milliampere. If you add another high-resistance (long) bulb in parallel, the battery current of course increases to 160 milliamp.. |

What is its rotational speed in revolutions per minute : At what depth under water does the pressure increase by 100,000 Pa? The Earth rotates with a period of one day. What is its rotational speed in revolutions per minute? The Earth rotates with a period of one day. What is its rotational speed in revolu.. |

What is the tension force in each cable : A 1000N beam is loaded with a 2000N filing cabinet and supported by two cables. If the beam is 8 meters long and the filing cabinet is 2 meters from the left cable, what is the tension force in each cable? total of both tension? tension in left cable.. |

What speed do the two cars move after the collision : A 0.2kg toy car rolls down ramp. If the car started from rest at a height of 0.30m, what is its speed at the bottom of the ramp? Incorrect: Your answer is incorrect. At the bottom, it hits another stationary car with equal mass. The two cars have Vel.. |

## Calculate the final temperature of the metalA 75-kg piece of metal has specific heat 430 J/kg°C and is initially at 950°C. To cool it down, it is dunked into 710 kg of oil that has a temperature of 32°C and specific heat of 2700 J/kg°C. Assuming that heat flows only between the oil and the m.. |

## How much work gravity do on the block during this processAn 8.0 kg block is released from rest, v1 = 0 m/s, on a rough incline, which has an angle of 40 from the horizontal. How much work gravity do on the block during this process |

## Find what is sues velocity and directionSue and Jim are on ice skates standing 1.30 metre apart on a frozen lake. Sue has a weight of 490 N, What is Sue's velocity and direction after catching the book thrown by Jim |

## Find the value of youngs modulus for the metalA metal wire 1.0mm in diameter and 2.5m long hangs vertically with a 4.8-kg object suspended from it. what is the value of Young's modulus for the metal |

## Find the amplitude of the current through the generatorA 390 ohm resistor and a 6.10uF capacitor are connected in parallel to an ac generator that supplies an rms voltage of 220V at an angular frequency of 360rad/s. |

## Calculate the acceleration of gravity at surface of venusThe mass of Venus is 0.8140 times that of earth, and its radius is 0.950 times that of earth. Calculate the acceleration of gravity at the surface of Venus |

## What is the age of a piece of solidified lavaThe technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava with a ^40Ar/^40K ratio of 0.31 |

## Estimate the comets maximum distance from the sunHalley's comet has a period of approximately 76 years, Estimate the comet's maximum distance from the Sun in astronomical units (AUs) (the distance from the Earth to the Sun) |

## Find the gauge pressure at the bottom of the coneAn ice cream cone is filled with melted vanilla ice cream of density 1.21g/cm3 The cone is 10.1cm long and has a diameter of 6.1 cm at the larger top end. Find the gauge pressure at the bottom of the cone |

## Calculate the energy of the first photon emittedYou are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -16.30 eV. What is the energy of the first photon emitted |

## What are the volume and linear charge densitiesA charge of 0.99 C is spread uniformly throughout a 18 cm rod of radius 4 mm. What are the volume and linear charge densities? |

## How old is this samplea sample of rock from an asteroid is assayed and found to contain 3.62 parts per million uranium, how old is this sample |

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