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Astronaut Jennifer’s lifeline to her spaceship comes loose and she finds herself stranded, “floating” 100 m from the mothership. She suddenly throws her 2.00-kg wrench at 20 m/s in a direction away from the ship. If she and her spacesuit have a combined mass of 200 kg, how long does it take her to coast back to her spaceship?

Three forces, 1, 2, and 3, all act on an object, as shown in the figure. The magnitudes of the forces are: F1 = 80.0 N, F2 = 60.0 N, and F3 = 40.0 N. The resultant force acting on the object is given by

Estimate the number of times an average person’s heart beats in a lifetime. Assume the average heart rate is and a life span of 75 years.

Continuing with the DooDads Integrated Supply Chain whose incentives are the most closely aligned? Choose the best answer. This Problem Counts 2 Points

Consider both Statements. Statement 1 Management seeks to select suppliers primarily for speed, flexibility, and quality when using an efficient supply chain model. Statement 2. The goal of the Newsvendor model is to maximize expected revenue.

A boy kicks a football with an initial velocity of 20 m/s at an angle of 25° above the horizontal. If we neglect air resistance, the magnitude of the acceleration of the ball while it is in flight is

(True/False). Trial and error can be used to determine the weights for a weighted moving average forecast. 

Continuing with Yellow Jacket Foods what will be the total inventory and purchase costs if then firm  goes with the new supplier?  This Problem Counts 3 Points  

  Concluding with the DooDad Integrated Supply Chain scenario. Rather than lowering its price to R, W instead offers to start a buyback program where W will pay R $1.20 for each unsold unit. Considering W’s $1.20 buyback plan, what is the new service optimal service level for the DooDad Integrated Supply Chain? This Problem Counts 3 Points

Yellow Jacket Foods most popular item is organic mustard. Demand is 600 jars a month. The firm’s  current vendor charges $3.00 a jar. Holding cost is $.35 per unit and it costs $100 to place an order for more jars. A new supplier (same order cost) has offered to sell the same item to Yellow Jacket Foods for $2.80 a jar if Buzz foods buys at least 3,000 jars each order. If Buzz wants to minimize annual inventory and product cost, what should Buzz Foods do? This Problem Counts 2 Points