The fastest pitched baseball was measured at 46 m/s. A baseball has a mass of 149 g. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 0.70m , what force did he produce on the ball during this record-setting pitch?

Predict the effect on economy of increase in govt spending : Consider an economy that is operating at full-employment level GDP. Assuming the MPC is 0.90, predict the effect on the economy of a $50 billion increase in government spending balanced by a $50 billion increase in taxes. |

Which is the change in the electric potential energy : Two particles with charges +4e and -7e are initially very far apart, which is the change in the electric potential energy |

Explain the freezing point of pure octane : What is the freezing point of a solution containing 5.43 grams of butane (molar mass = 58.8 g/mole) dissolved in 50.0 grams of octane? The freezing point of pure octane is 25oC and the freezing point depression constant kfp is 3.42 oC/m. |

Define dissociation equilibrium constants for the protonated : The dissociation equilibrium constants for the protonated form of alanine (a diprotic amino acid H2X+) are ka1=4.6 x 10^-3 and ka2= 2.0 x 10^-10 What is the pH of 50.00 mL of a 0.100 M solution of alanine after 100.00 mL of 0.100 M NaOH has been a.. |

What force did he produce on the ball : The fastest pitched baseball was measured at 46 m/s, what force did he produce on the ball during this record-setting pitch |

What will be the rate of return earned by firms in industry : There are 300 purely competitive farms in the local dairy market. Of the 300 dairy farms, 298 have a cost structure that generates profits of $24 for every $300 invested. What is their percentage rate of return |

The several landfill alternatives and which are preventative : Of the several landfill alternatives, which are preventative? Which take up the least space? Explain |

Is the industry in long-run competitive equilibrium : Assume that in a different competitive industry, there are 8 firms, each with a marginal cost equal to MC = 20-10q +q^2 Average cost is minimized at q = 10 and AVC is minimized at q = 8 for each of these firms. Demand for the product is P = 100-QD |

At what time did your brother actually make this silly face : Imagine that you send out a light flash at t=6.0 s as registered by your clock, At what time did your brother actually make this silly face and How far is your brother away from you |

## Illustrate what is pashas basis in the partnershipKris contributed property with a FMV of $90,000 and a basis of $35,000. Pasha has a 10% interest in the partnership and Kris has a 90% interest. Illustrate what is Pasha's basis in the partnership as of December 31? |

## What is the battery voltageThe current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery |

## Calculate the work done by the man on the pianoDuring a hard sneeze, your eyes might shut for 0.50s. If you are driving a car at 90 km/h during such a sneeze, how far does the car move during time. |

## Identify the average force that the water exertsNeglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative. |

## Find the period of oscillationThe quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation? |

## Nearest newton what does the scale readThe 40 kg man in the roller coaster car is sitting on a bathroom scale. If he is travelling at 35.3 m/s at the point shown and the radius of vertical coaster track is 53 meters, to the nearest newton what does the scale read? |

## What constant torque bring it from rest to an angular speedA styrofoam cooler (k = 0.030 W/(m·K)) has outside dimensions of 0.270 m by 0.230 m by 0.280 m, and an average thickness of 2.6 cm. About how long would it take for 1.60 kg of ice at 0 °C to melt in the cooler if the outside temperature is 30.0 °C.. |

## How to maintain a constant accelerationOnce free of this area, it speeds up to 13 m/s in 8 {rm s}. At the edge of town, driver again accelerates, with the same acceleration, for another 16 {rm s} to reach a higher cruising speed. |

## Find out how far the dog is then from the shoreIt walks 2.4m along the boat toward shore and the nstops Assuming no friction between the boat and the water, find out how far the dog is then from the shore |

## What horizontal distance does it cover throughout its flightWhile the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.4 m/s at an angle of 60° above the horizontal. |

## Illustrate what is the coefficient of frictionslides 145m before coming to a halt. Illustrate what is the coefficient of friction between the skies and the snow? |

## How far behind the train is the automobileThe automobile afterwards undergoes a uniform acceleration of -4 m/s2 because of a red light and comes to rest. It remains at rest for 54.6s and next accelerates back to a speed of 25.6m/s at a rate of 2.85m/s2. |

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