A) provide a rough sketch of the proposed shaft geometry indicating where you would put the changes in diameter in the shaft.
b) (5) select shaft material
c) (30) determine proper shaft diameter based on stress for each side of the bearing at a for the safety factor of 1.5. indicate failure theory and why you chose that theory.
d) (15) if the load was doubled, how many revolutions would be expected before failure

step-by-step explanation:

a cube has 6 sides

the probability of getting 5 on the first cube is 1/6 since only one side of the cube has 5 on it.

there are 3 sides of the cube with even number on it [2,4,6]

therefore the probability of getting even number is 3/6

for both events to happen together, the probability would be

1/6 x 3/6 = 12/36

which simplifies to 1/12

the answer is d

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when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

step-by-step explanation: