What torque and force is exerted to the drill bit
The high speed industrial drill having diameter of 98 cm builds up at 5.85hp at 1900 Rpm. What torque and force is exerted to the drill bit?
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Assume that we flip a fair coin till either it comes up tails twice or we have flipped it six times. Determine the expected number of times we flip the coin?
A point is randomly selected with a rectangle whose vertices are (0, 0), (2, 0), (2, 3), and (0, 3). What is the probability that the x-coordinate of the point is less than the ycoordinate? (Hint: Draw the picture)
Due to market demand, farmer will grow twice as much wheat as corn. He has assigned $63,750 for total cost of growing all crops. How many acres of every crop must he plant?
i) Determine what force should be exerted to the small piston when a weight if 1650 lb is to be lifted? ii) Determine the mechanical benefit of the hydraulic jack?
A car is traveling 80 mi/hr, when the diameter of the wheels are 80 cm i) Determine the angular speed of the wheels?
At $6/pound, red snapper alone brings in $1500. How many pounds of every fish does fisherman catches and find price per pound of each?
A baseball having mass 500 grams is thrown down from bridge 180m above the water having initial velocity of 12 m/s i) Determine the velocity when it strikes the water?
A random sample is chosen from population with mean µ = 101 and standard deviation s = 10. For which of sample sizes would it be reasonable to think that x sampling distribution is approximately normal in shape? (Choose all that apply.)
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