A rectangular air mattress is 200 cm long, 50 cm wide and 8 cm thick. If it has a mass of M=2 kg, what additional mass X can it support in water? Hint: Volume=L x W x H; Archimedes Forces B= (density of water) x V x g; M+X=B
October 15, 2015
I don't know how to do the last algebra part that DrBob22 did not explain. I have not taken algebra since 2 years ago it would have been helpful to see... I haven't found out the math part anywhere!
March 5, 2012
a student stands at the edge of a diving board that is 3 m high. the student's weight is 350 N. what is the student's gravitational potential energy relative to the surface of the water?
January 11, 2011
we are doing about the flame test. we are using some metals like barium chloride,calcium chloride,copper,lithium,opotassium sodium and strontium. the flame of Colors are yellow-orange,red- orange,green-blue,red,pink,orange and red.We had to guess wat color is going to be?
October 19, 2010
If you have 2coins to make 30cents but you can not use a nickel? That's impossible without a nickel. Unless, if you are allowed to make more than 30 cents, then you could use 2 quarters, but if you mean 2 coins=30 cents that can't be done. That's impossible without...
January 25, 2007
george entered a function into his calculator andfound the following partail sums s1=0.0016 s2= 0.0096 s3= 0.0496 s4= 0.2496 s5= 1.2496 determine the genral term of the corresponding sequence how would I approach this question? If this is a series then sn is the sum of the ...
October 18, 2006