Calculate the speed at launch
A dynamite blast at a quarry launches a rock straight upward, and 2.3 s later it is rising at a rate of 14 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 5.4 s after launch.
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A cast- iron cylinder of 300mm bore carries a pressure of 30 newtons per square millimitre; what should be its thickness for a unit working stress of 25 newtons per square millimetre?
Determine the minimum force P required to initiate motion of the block up the incline. m = 10kg, (mu)s = 0.3, (mu)k = 0.1 and = 30.
A large parallel plate capacitor has plate separation of 0.92 cm and plate area of 266 cm2. The capacitor is connected across a voltage of 17.7 V and has air between the plates. How much work is done on the capacitor as the plate separation is inc
Koko company produces lamps that require 2.25 standard hours per unit at an hourly rate of $15 per hour. If 7,700 units required 19,250 hours an an hourly rate of $14.90 per hour, what is the direct labor.
X company uses a FIFO inventory system. the actual cost of direct materials and direct labor is used to value labor and to value the inventories. manufacturing oherhead is applied at a predetermined rate per ton of cable used.
Compute the ASTM grain size number for this alloy. Be careful, this picture is not taken at 100X. You will first need to calculate the number of grains per square inch at 100X.
Alternative joint-cost-allocation methods, further-process decision. The Wood SpiritsCompany produces two products-turpentine and methanol (wood alcohol)-by a joint process. Joint costs amount to $120,000 per batch of output.
A pellet gun is fired straight downward from the edge of a cliff that is 12.2 m above the ground. The pellet strikes the ground with a speed of 38.5 m/s. How far above the cliff edge would the pellet have gone had the gun been fired straight upwar
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