Mathematics, 23.09.2019 18:00 izzy0627
The archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from the fish’s mouth. suppose the archerfish squirts water with an initial speed of 2.30 m/s at an angle of 19.5° above the horizontal. when the stream of water reaches a beetle on a leaf at height h above the water’s surface it is moving horizontally. (a) how much time does the beetle have to react? (b) what is the height ℎ of the beetle? (c) what is the horizontal distance d between the fish and the beetle when the water is launched?
Answers: 1
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 20:30
Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.
Answers: 2
Mathematics, 21.06.2019 21:00
You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.
Answers: 2
The archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of wa...
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