How far is the lady bug from the starting point
An lady bug walks 20.0 cm in a direction of 30.00 North of East. She then turns and walks 30.0 cm North, turns and walks 10.0 cm West. How far is the lady bug from where she started?
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Calculate the pH of a solution prepared by mixing 15.0mL of 10M NaOH and 30.0mL of 10.0M benzoic acid solution.(Benzoic acid is monoprotic; its dissociation constant is 6.5*10^-5)
What was the cumulative incidence rate of hearing loss in workers who did not wear earplugs? What was the relative risk of hearing loss in workers who did not wear earplugs, compared with those who did? What was the risk of hearing loss attributable
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal THREE TIMES her weight as she does through the dip. If r= 20.5m, how
The loading on the piston is such that the product PV is a constant. Assuming that the room temperature is 20°C, Show that this process does not violate the second law.
An lady bug walks 20.0 cm in a direction of 30.00 North of East. She then turns and walks 30.0 cm North, turns and walks 10.0 cm West. How far is the lady bug from where she started.
Damien is 68 inches tall. Use the equation of the regression-line exactly as given in the first question to predict the height of his sister Tonya. Give your answer to two decimal places.
Find the standard deviation of the distribution in the following situations. (a) MENSA is an organization whose members have IQs in the top 2% of the population. IQs are normally distributed with mean 100, and the minimum IQ score required for adm
A mass of 1 kg of air contained in a cylinder at 1.5 MPa, 1000 K, expands in a reversible isothermal process to a volume 10 times larger.
Calculate the hydrogen ion concentration in mol/L for each of the following solutions.(a) 2.42, (b) a solution whose pH is 16.00, (c) a solution whose hydroxide concentration is 3.7x 10-9 M
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