A high diver of mass 800 kg jumps off a board 100 m above
A high diver of mass 80.0 kg jumps off a board 10.0 m above the water. If his downward motion is stopped 2.10 s after he enters the water, what average upward force did the water exert on him?
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A 16.8 kg block is dragged over a rough, horizontal surface by a constant force of 123 N acting at an angle of angle 34.9 above the horizontal. Find the magnitude of the work done by the force of friction
Calculate the pH of a buffer solution that is 0.250 M in HCN and 0.170 M in KCN. For HCN, Ka = 4.9 x 10^-10 (pka = 9.31). Use the equilibirum approach to calculate
What is the equivalent amount in year 10 of an expenditure of $5,000 in year one, $8,000 in year two, and increasing by $1,000 per year through year 10 Assume the interest rate is 10% per year.
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A high diver of mass 80.0 kg jumps off a board 10.0 m above the water. what average upward force did the water exert on him
Titration of 25 mL of the calcium hydroxide solution to the endpoint requires 12.15 mL of 0.070M HCl solution. a) What is the millimolar quantiy of OH? in the 25 mL of solution? b) What are the concentrations of Ca2+ and OH?? c) What is the solubi
The cost of extending a certain road is $850,000. Resurfacing and other maintenance are expected to cost $175,000 every 3 years and lasts for 96 years. What is the present worth of the road at an interest rate of 6% per year (over that period)
If 35.0 g H2O at 22.7 °C is combined with 65.0 g H2O at 87.5 °C, what is the final temperature of the mixture. The specific heat capacity of water is 4.184 J/g×K.
A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table. How far from the base of the table did it strike the floor
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