Sunday
December 8, 2013

# Posts by Sally

Total # Posts: 833

physics
A force of magnitude Fx acting in the x-direction on a 2.50-kg particle varies in time as shown in the figure below. (a) Find the impulse of the force. (b) Find the final velocity of the particle if it is initially at rest (c) Find the final velocity of the particle if it is i...

algebra
Could someone please help me with this? Is it possible to subtract two polynomials, each of degree 3, and have the difference be a polynomial of degree 2? If so, give an example. If not, explain why not. thanks

algebra
Could someone please help me with this? (1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

language arts

Calculus
yes ur correct.

Calculus
yes ur correct.

Chemistry
How many mL of a .10 M NaOH solution are needed to neutralize 15 mL of .20 M H3PO4 solution? Write nbalanced equation: 3NaOH + H3PO4 → Na3PO4 + 3H2O 3mol NaOH recat with 1mol H3PO4 In all these titration questions, do it the simple way: Use the following equation: Ma*Va/...

Chemistry
How many mL of a .10 M NaOH solution are needed to neutralize 15 mL of .20 M H3PO4 solution? Write nbalanced equation: 3NaOH + H3PO4 → Na3PO4 + 3H2O 3mol NaOH recat with 1mol H3PO4 In all these titration questions, do it the simple way: Use the following equation: Ma*Va/...

chemistry
ok then no change.

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