chemistry
the level of water in a graduated cylinder is 52.7 ml. After a solid object weighing 100 g is added, the level is 87.4 ml. What is the density of this object?
Econ
I have spent a few hours on this question. Can anyone help? The demand for Healthy Wheat Cookies is downward sloping, while the supply is upward sloping. Healthy Wheat Cookies are a normal good produced mainly from wheat and sugar. The government recently put a price floor on ...
English
Seals balance balls on their noses on command. Is command the object of the prep. on
Physics
A freight train has a mass of 1.5*10^7 kg. If the locomotive can exert constant pull of 4.5 *10^5N, how long does it take to increase the speed of the train from res to 80.0km/hr? a)467s b) 444s c)527s d) 425s e) 496s
Physics
A typical laboratory centrifuge rotates at 4100 rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. (a) What is the acceleration at the end of a test tube that is 11 cm from the axis of rotation? dropped from a height of ...
Chemistry
When investigating heat of solution of NaoH& NH4No3, what is the heat of solution of the two cpds?
English
There is a control on the television set for making the picture a little less brighter. Is the sentence correct or is it a little less bright
English
We found it hard to understand why Randy had spoken as rude as he did in response to a simple question. is rude correct or is it rudely and why
Eglish
Thanks Ms. Sue
English
Why is she walking so slow toward the house? Is that correct or should it be (so slowly} They both sound correct
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