Monday
December 9, 2013

# Posts by christine

Total # Posts: 415

Physics
Two balls undergo inelastic collision. The y-momentum after the collision is 98 kilogram meters/second, and the x-momentum after the collision is 100 kilogram meters/second. What is the magnitude of the resultant momentum after the collision?

College Physics
thank you very much for your help M Bil

College Physics
A golf ball is it with the initial velocity of 50.0 m/s at an angle of 55 degrees above the horizontal. (a) How high will the ball go? (b) What is the total time the ball is in the air? (c) How far will the ball travel horizontally before it hits the ground?

Earht Science
To bobpursley, the half life is 40.(potassium 40)

Earth Science
How long will it take for Potassium to have a 25% of oringinal radioactive product left?

english
In comparison to the 17th century, the 18th century was ______. A. more internally stable; however, lesser rebellions and issues still occurred within Great Britian. B. much more violent; workers' riots and rebellions led to large numbers of deaths. C. filled with politica...

Adult Development and Life Assessment
conventional morality

Math Finite
Experiment: roll a fair die and flip a fair coin. What is the probability is that you roll a 3 and flip a head?

physics
a star has a mass of 2.0 10 30kg and a radius of 3.4*106m. what is its average density in kg/m3

math
using two fair dice, what is the probability of rolling a sum that exceeds 4?

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