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An object experiences an impulse, moves and attains a momentum of #200# #kg* m/s# If its mass is #50# #kg#, what is its velocity?

Are any apostrophes needed in the following sentence? If so where?:
Their houses doors all had to be the same color.

How do you solve #6x = 4x  (  18)#?

How do you solve #9x+6y=3# and #3x+y=14# using substitution?

What is spectroscopy and it's types?Explain.

What is an example of personification of the stairs?

How do you express the phrase "9 minutes less than Bob's time" as an algebraic expression?

How do you multiply #(20x 12)(19x 15)#?

How do you solve #2(x5+2)=6# using the distributive property?

How do you solve #6( n + 2) + 15=  3n  9#?

How do you solve #x^2 +6x +8 =0# using the quadratic formula?

A particle moves along a line so that its displacement at time tâ‰¥ 0 is given by s(t)=2t^324t+1, where s is measured in meters and t is measured in seconds. At what values of t does the particle change direction?
Thank you!