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Thien
Questions (2)
5/8 of the students in my class were boys.
When 6 girls joined the class, the number of boys equaled the number of girls. How
3 answers
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A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 20.0 m/s, the block
1 answer
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Answers (5)
3/5 students are girls, so 2/5 students are boys. 200 = 2/5 boys therefore 1/5 = 100. Thus 3/5 girls = 300 Total: 500 students
Why do you have to square Ag after you got the Molarity? -(0.00645)^2(0.0968)=4.03E-6
Shouldn't it be +678 because the formula is E= deltaHf-(H sub + IE + HBE/2)- HEA?
density is mass/volume. Since they give you the mass of 55.81g already, you need to find the volume which is 24.7mL-17.6mL=7.10mL. 55.81g/7.10mL= 7.86 g/mL. mL=cm^3 so it becomes 7.86 g/cm3 or 7.86 gxcm^-3. The metal that matches this density is Iron.
Nevermind Got it Block has two forces acting on it Horizontal force is the centripetal force acting towards center of circle Vertical force is M x G To get angle, its inverse Tan (MV^2/RMG)
