Wednesday
December 11, 2013

# Posts by Tim

Total # Posts: 845

Physics
An ice skater of mass m is given a shove on a frozen pond. After the shove she has a speed of 2m/s. Assuming that the only horizontal force that acts on her is a slight frictional force between the blades of the skates and the ice: a.) Identify the horizontal force and two ver...

Physics
An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. If the object is released from rest after it is lifted, what is its kinetic energy just before it hits the floor? What is its velocity? Show your work and units.

Physics
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500J. After the force pulled each object, object A moves twice as fast as object B. Answer the following: a.) How mu...

Physics
Thank You

Physics
An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting force (include units)? b.) How much work is done by the Earth on the object? c.) What is the net work done on the object? d.) What is the change in k...

math
multiply the fraction 9/15 by the fraction 30/72 and reduce your answer to the lowest terms

math
convert the mixed number 14 5/7 to a mixed decimal. round to the nearest hundreth

math
divid the fraction 14/27 by the fraction 2/3 and reduce your answe to the lowest terms

math
find the value of G in the equation G/5-13=42

Algebra II
Factor: 12x^2+13x-35 I need help on how you would go about doing this. I only understand when 1 is the coefficient for the x^2 term.

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