A 5.9-kg rock and a 6.6 × 10-4-kg pebble are held near the surface of the earth.

(a) Determine the magnitude of the gravitational force exerted on each by the earth.

(b) Calculate the magnitude of the acceleration of each object when released.

What is the approximate cost of credit using the apy : Key Enterprises borrows $8,000 for a short-term purpose. The loan will be repaid after 90 days, with Key paying a total of $8,150. What is the approximate cost of credit using the APY , or annual percentage yield, calculation? |

Find the direction of the net force that acts on sailboat : A 374-kg sailboat has an acceleration of 0.643 m/s2 at an angle of 58.9 ° north of east. find the direction of the net force that acts on the sailboat |

Determine the small-signal resistance of two-terminal device : If the collector of a transistor is connected to the base terminal, the transistor continues to operate in the forward-active mode, since the B-C junction is not reverse biased biased. Determine the small-signal resistance, re=Vce/Ie |

Explain what is the pressure inside a container of a gas : What is the pressure (in millimeters of mercury) inside a container of a gas connected to an open-end manometer filled with decane (density = 0.7300 g/cm3) when the level in the arm connected to the container is 765.3 mm in height higher than the .. |

Compute the magnitude of the gravitational force : A 5.9-kg rock and a 6.6 × 10-4-kg pebble are held near the surface of the earth. Determine the magnitude of the gravitational force exerted on each by the earth |

Calculate the frequency of conductor emfs in both the cases : he armature at the other end of thecommutator is tapped and connected to balanced 3-Phase voltages, sothat a rotating field is produced, The speed of this rotating fieldis 3000 r.p.m. (1) clockwise and (2) anticlockwise,.Find thefrequency of the b.. |

What will be the nominal dollar amount of the last withdraw : Assuming a 21-year withdrawal period, what will be the nominal dollar amount of the last withdraw? |

Find the average net force exerted on riders by the magnets : In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 34.1 m/s in a time of 6.79 s |

Define data for the decomposition of hydrogen peroxide : Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2. |

## What maximum film thickness will reflect red lightOil with index of refracton n=1.25 floats on water with index n=1.33. For normal incidence, what maximum film thickness will reflect red light of wavelength 650nm most strongly |

## Determine the effective spring constant of the moleculeA Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con.. |

## What is the resultant velocity of the motor boatWhat is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore. |

## What is its volume in cubic kilometresA train at a constant 75 km/h moves east for 48 min, then in a direction 61.0° east of due north for 11min, and then west for 67 min. |

## Compute the electric field on the x axis of the diskThe specific heat of mercury is 138 J/kg Co Determine the latent heat of fusion of mercury using the following calorimeter data: 1 kg of solid Hg at its melting point of -39.0º C is placed in a 0.620 kg aluminium calorimeter with 0.40 kg of water .. |

## What is the minimum value of an accelerationAn iron bolt of mass 63.4 g hangs from a string 32.6 cm long. The top end of the string is fixed. Without touching it, the magnet attracts the bolt so that it remains stationary, displaced horizontally 28.5 cm to the right from the before vertical li.. |

## Determine the magnitude of the charge on each ballTwo equally charged insulating balls each weigh 0.10 g and hang from a common point by identical threads 30 cm long. What is the magnitude of the charge on each ball |

## What is the diameter of the moons imageAn image of the moon is focused onto a screen using a converging lens of focal length f=35.3cm. What is the diameter of the moon's image |

## Distance between the two starsAstronomers discover a binary star system that has a period of 93.0 days. The binary star system consists of two equal-mass stars, each with a mass twice that of the sun, that rotate like a dumbbell about the centre of mass at the midpoint between.. |

## What is the total charge on the negative side of the slabAn electrically neutral thin, square metal slab, measuring 4.80cm on a side is placed in a uniform external field, What is the total charge on the negative side of the slab |

## What is the the direction of the resultant fieldAn electric field of 11.0 N/C directed due north is superposed on an existing electric field of 15.3 N/C directed due east |

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