Can the Sum of the torques on an object be zero while the net force on the object is nonzero? Explain. Can the Sum of the forces on an object be zero and the Sum of the torques non- zero? Explain

Determine the gauge pressure of the water guns reservoir : A hand-pumped water gun is held level at a height of 0.61 m above the ground and fired. Find the gauge pressure of the water gun's reservoir at the instant when the gun is fired |

Define the highest vapor pressure at room temperature : You are given the following boiling point data: Which of the liquids would you expect to have the highest vapor pressure at room temperature |

Define how to synthesize 2-methyl-2-pentene : Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents. |

Explain how the electron pairs are arranged : What is the geometry that describes how the electron pairs are arranged about the chlorine atom in ClF3 |

Explain the sum of the torques non- zero : Can the Sum of the torques on an object be zero while the net force on the object is nonzero? Explain. Can the Sum of the forces on an object be zero and the Sum of the torques non- zero |

Explain the molecule ax3 in which a is the central atom : The molecule AX3, in which A is the central atom, is polar and obeys the octet rule. How many lone pairs of electrons does A have |

What was the initial speed of the rock : A rock is thrown downward into a well that is 8.50 deep a)If the splash is heard 1.20 seconds later, what was the initial speed of the rock |

Find the ratio of the wave speeds in these two strings : Two steel guitar strings have the same length. String A has a diameter of 0.55 and is under 440.0 of tension. Find the ratio of the wave speeds in these two strings |

Explain the solubility of gases in solvents : Which of the following affect(s) the solubility of gases in solvents. You may select one, two or three responses. |

## What is the potential energy of the pair of chargesTwo point charges Q1 = +5.25 nC and Q2 = ?2.15 nC are separated by 40.0 cm, What is the electric potential at a point midway between the charges |

## What is their velocity just after the collisionA 0.0250 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision |

## Gravitational potential energy of the ball changedA 1500kg wrecking ball hangs from a 20m -long cable. The ball is pulled back until the cable makes an angle of 17.0° with the vertical. By how much has the gravitational potential energy of the ball changed? |

## What is the maximum horizontal forceTwo identical blocks are stacked one on top of the other. What is the maximum horizontal force that can be applied to the lower block without the upper block slipping |

## What is the acceleration of two falling sky diversWhat is the acceleration of two falling sky divers. Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting flywheel up to its top speed of 440 π rad/s. One such flywheel is a solid, uniform cylinder with a .. |

## Compute the radiation pressure on the mirrorA23.0-mW laser beam of diameter1.85mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror |

## What is the diameter of the filamentA standard 100 W (120 V) lightbulb contains a 9.40 cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0*10^-7Om. What is the diameter of the filament? |

## The velocity of vw passat relative to the toyota priusAt one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first. |

## Evaluate how far the cars skid before coming to restAn automobile has a mass of 1840 kg and a velocity of 15.0 m/s. It makes a rear-end collision with a stationary car whose mass is 2110 kg. If the coefficient of kinetic friction between the wheels of the cars and the pavement is ?k = 0.565, determi.. |

## Obtain the final temperature of the systemIce of mass 48.5 g at -10.3° C is added to 188 g of water at 14.2° C in a 108 g glass container of specific heat 0.200 cal/g-°C, obtain the final temperature of the system |

## Determine the charge qA point particle that has a charge of 18.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 14.8 cm, y = 0. The electric force on a point particle that has a charge of 7.4 µC at x = 29.6 cm, y = 0 is -(19.7).. |

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