What is the magnitude of arvin net displacement
Arvin the Ant is on a picnic table. He travels 30 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of Arvin's net displacement?
a. 70 cm
b. 57 cm
c. 52 cm
d. 29 cm
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A production process produces items, of which 6% are defective. A random sample of 160 items is selected every day and the number of defective items, say X, is counted. Using the normal approximation to the binomial, find the following:
A pirate ship fires a 25kg cannonball with a velocity of 100m/s at another very heavy trader ship. the ship is at rest. the cannonball bounces off with a velocity of -0.5m/s. a) How much energy was dissipated during this collision
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What is the smallest motor you would need for a heat pump absorbing heat from the container and rejecting heat to the room at 20 C?
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