Monday
May 20, 2013

# Posts by david

Total # Posts: 1436

Physics
The speed of the head of a redheaded woodpecker reaches 3.4 m/s before impact with the tree. The mass of the head is 0.060 kg and the average force on the head during impact is 5.0 N. a)Find the acceleration of the head (assuming constant acceleration) (b) Find the depth of pe...

Chemistry
Calculate the molality of HCl in an aqueous 12M HCl solution that has a density of 1.20g/mL

programming logic
The Banking e-Teller system allows bank customers to perform ATM transactions from their cell or smart phones. BET will allow customers to check balances, make remote photo capture check deposits, and perform balance transfers to their checking or savings account. It is time t...

Math
A single card is drawn from a deck. Find the probability of selecting a 10 or a diamond.

chemistry
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime

chemistry
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime

physics
an electron with a mass of 9.11 x 10^-31 kg is accelerated from rest across a set of 150 V and are separated by 0.80 cm. a) determine the kinetic energy of the electron after it crosses between the plates.( ans 2.4 * 10^-17 j) b) determine the final speed of the electrons. (an...

science
How would you find a mass of a rolling marble?

R&slotto pool
What are the possible numbers to play for todays club master lotto pool

principal management
Discuss how the path-goal theory of leadership and the expectancy theory of motivation are related

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