Q. The acceleration due to gravity on the Moon's surface is one-sixth that on Earth. An astronaut 's life support backpack weighs 300 lb on earth. What does it weigh on the Moon?

Q. If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, how much acceleration will the other three produce?

Describe the objective function and constraint equations : Describe the objective function and constraint equations. What is a maximum-profit daily production plan at the new factory? |

Explain how much waork has been done against gravity : Explain how much waork has been done against gravity when the crate is raised a vertical distance of 2.19 m? The coefficient of friction is 0.316. |

Why is the gradient alone not enough to get the ions : Movement of chloride ions across the cell membrane from the the outside of nerve cells to the inside has a delta-G of about 1.1 kcal/mol even in the presence of a gradient. Why is the gradient alone not enough to get the ions into the cell? (Think.. |

Pemdas order of operations in mathematics : Discuss the PEMDAS order of operations in mathematics. What is PEMDAS and why is important to follow it to the letter when conducting mathematical operations? |

Explain how much acceleration will the other three produce : If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, explain how much acceleration will the other three produce? |

Define probability distribution : What's a probability distribution? What's it used for and why do we care? Does a probability distribution guarantee a particular value will occur under a set of circumstances? |

What is the delta-g for this process : Transport of chloride ions are studied in nerve cells. The chloride concentration inside the cells is 50 mM and these cells are placed in a solution containing 100 mM chloride. The membrane potential for these cells at 25oC is -60 mV. What is the .. |

Identify the person velocity just before hitting the net : Assuming that air resistance is simply a constant 91 N force on the person during the fall, identify the person’s velocity just be- fore hitting the net. |

Describe the concept of the consumption function : What are the main determinants of the level of National Income? Describe the concept of the consumption function, verbally, graphically and mathematically. How is equilibrium of the National Income attained? |

## What is the new forceTwo charged objects experience a mutual repulsive force of N. If the charge of one of the objects is reduced by a factor of and the distance separating the objects is increased by a factor of , what is the new force? |

## Find out the accelerations of the bodiesA star is moving away from the Earth at the speed of 200 km/s. What will be the wavelength of a spectral line that would have the wavelength of 500 nm if the star were at rest. |

## What is the vertical component of the forceSince you are pulling up a little on the crate, the floor doesn't have to support as much weight. When you are pulling up on the rope as described above, what is the upward force that the floor exerts on the crate. |

## What is the kinetic energy of a particleWhat is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm. |

## What is the total charge of all the electronsWhat is the total charge of all the electrons in a 14 kg bar of zinc? (Zinc has 30 electrons per atom and an atomic mass of 65 u.) |

## What should the charge on particleWhat must the charge (sign and magnitude) of a 1.46 g particle be for it to remain stationary while placed in a downward-directed electric field of magnitude 690. |

## How fast is the bag moving when the bullet exitsA 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest. |

## How far would the second block go on the groundA 4.00 kg block is free from rest 2.0m high at the top of a 30 degree frictionless incline. The block makes a head-on elastic collision with another 3.00 kg block initially at rest on a horizontal surface at the bottom of the incline. |

## What is the displacement of car from the point of originA radio controlled car increases its kinetic energy from 4J to 12J over the distance of 2 m. What was the average net force on the car during this interval. |

## How much mass does the water in the cloud haveA person of mass 72 stands at the center of a rotating merry-go-round platform of radius 3.40 and moment of inertia 950. The platform rotates without friction with the angular velocity 0.95. The person walks radially to the edge of the platform. |

## What should be the magnitude of the resulting constantWhen a high speed passenger train traveling at 113 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 642m ahead. |

## Illustrate what is the mass of the boatAfter being struck by the stone, the boat's velocity is 1.9 m/s, due east. Illustrate what is the mass of the boat? Assume the water offers no resistance to the boat's motion. |

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