physics
if you kick a football at a 30 degree angle, how many seconds is it in the air, and how high does it go
chemistry
The sodium and hydroxide atoms separate into ions and the positive sodium ions are attracted to the oxygen atoms and the hydroxides are attracted to positive charged part of water, the hydrogen making another molecule.
physics
How high does a rocket have to go above Earth's surface until its weight is one fourth what it would be on Earth?
physics
what is mv?
physics
find the speed and period of a satellite that would orbit Mars 203 km above its surface.
math
Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following sentence true. 1___2___3___4=6
math
The number 1 is a perfect square (1X1=1) and a perfect cube (1X1X1=1). What is the next smallest whole number which is both a perfect square and a perfect cube?
math
The sum of two integers is -4. Their difference is 12. Name the integers.
math
The number of Sophomores who eat lunch in the caeteria is about three-fouths the number of Freshmen. If there are 60 more Freshemen than Sophomores, how may Sophomores eat lunch in the caafeteria?
math
The number 1 is a perfect square and a perfict cube. What is the next smallest whole number which is a perfect square and a perfect cube?
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